OoperHow to change your cars weight in a single race, including the values for the AI cars. You have to change them after you start the race, or just freeze the values in cheat engine before starting the race, because they will get set back to normal otherwise.
How to change your cars weight with cheat engine - Gran Turismo 4Ooper2022-07-15 | How to change your cars weight in a single race, including the values for the AI cars. You have to change them after you start the race, or just freeze the values in cheat engine before starting the race, because they will get set back to normal otherwise.No Save States AI Max Danger 2.0 Attempt - Syphon Filter NTSCOoper2026-09-21 | Was trying to get through the game using my instant AI Max Danger Patch without using save states, Mission 4 might be impossible unless I give the CBDC more health. Patch: github.com/scottadkin/Syphon-Filter-NTSC-Cheats/blob/main/Instant%20Max%20Danger/SCUS-94240.cht
00:00 Level 1 14:28 Level 2 23:42 Level 3 24:51 Level 4Stop touching my tail...Ooper2026-09-09 | ...Explosive Barrel 76 - Syphon FilterOoper2026-08-30 | Messed with the mission objects, replacing the fire and by mistake the elevator switch.
00:00 Gameplay 04:10 Fun BugMessing with the mission objects - Syphon Filter NTSCOoper2026-08-26 | I've been messing around making a .fog reader/editor, changing the weaponID to m79s and the following byte to 81 gave then non respawning NPCs flak jackets and made them spawn out of mission order.M79 for NPCs & Instant Max Danger - Syphon Filter NTSCOoper2026-08-18 | I wonder how long it would take to finish level 1 without save states.Instant Max Danger 2.0 Cheat - Syphon Filter NTSCOoper2026-08-17 | An improved version of my Instant AI Max Danger duckstation patch/cheat, this time no matter how you move the AI will cause damage to you if they can see you. github.com/scottadkin/Syphon-Filter-NTSC-Cheats/blob/main/SCUS-94240.cht
Cheat code below (as github isn't working properly)
Comparison to old version with Hard Mode enabled that made the enemies damage you event faster: youtube.com/watch?v=zqvQsuCI-zs
00:00 Georgia Street 14:36 Freedom Memorial 18:06 Rhomers Base 37:06 M79 NPCS Rhomers BaseAgent Mode Gameplay #2 - Syphon Filter PC(0.2.0-beta.1)Ooper2026-08-08 | Gameplay of the new Agent difficulty in the pc port of Syphon Filter. github.com/Madxbio97/SF-pc-portAgent Mode Gameplay #1 - Syphon Filter PC( 0.2.0-beta.1)Ooper2026-08-07 | Gameplay of the new Agent difficulty in the pc port of Syphon Filter. github.com/Madxbio97/SF-pc-portSyphon Filter PC Gameplay #3(PC-0.1.0-public-test.17)Ooper2026-08-02 | I was quite stupid not seeing the nightvision rifle initially .One Hit KO Patch - Syphon Filter NTSCOoper2026-08-02 | A cheat/patch that sets your max health to 1 and removes all armour including ones the player picks up. github.com/scottadkin/Syphon-Filter-NTSC-Cheats/tree/main/One%20Hit%20KO Updated 2026-08-04 Added all levels cheat. Updated 2026-08-03, added additional checks to prevent bugs.Syphon Filter PC Gameplay #2(0.1.0-PT13)Ooper2026-07-30 | More gameplay of the PC port of Syphon filter. github.com/Madxbio97/SF-pc-portSyphon Filter PC Gameplay(0.1.0 PT12)Ooper2026-07-28 | Some gameplay of the PC port of Syphon Filter.
github.com/Madxbio97/SF-pc-portProject Gotham 2 Gameplay(Xemu)Ooper2026-06-20 | Bad gameplay showing performance on a ryzen 5600 and rtx4060. OpenGL 3x Res Note: the resizing the window at ~ 33mins tends to help the game get unstuck.0 Drag (Global) - Forza Motorsport 1Ooper2026-06-13 | A much faster way to remove drag or to add negative drag that also affects the AI and the setting doesn't change between race loads. You must change it before starting a race for it to take effect. - Look for a double with the value of 0.000222394851661049. - There should only be 1 result. - Change the value to 0
00:00 Stock C6 Race 02:38 Replay of AI 04:48 Upgrades 05:45 Max Power C6 Race 08:59 Top speed testsGolf R32 With 10x Power - Forza MotorsportOoper2026-05-13 | The Golf R32 with stock engine, but I gave it 10x power multiplier.
00:00 Race 04:24 ReplayEmulator Couldnt Stand My Driving Anymore - Forza MotorsportOoper2026-05-10 | Calsonic Skyline GTR with 4x power with double brakes performance. AI also has it but stuck at lower top speed.
00:00 Lap 1 07:13 Lap 2AI Drives Chrysler ME Four-Twelve With 4 x Power - Forza MotorsportOoper2026-05-08 | Just watching the AI try and drive the Chrysler ME Four-Twelve with 4 it's normal power and helping it with strong brakes.Normal Crash Physics - Forza MotorsportOoper2026-05-07 | Randomly changing values and this happened when I crashed.Lore Accurate Honda Civic - Forza MotorsportOoper2026-05-06 | I found a memory address that messes with global bhp, one side effect makes the RPM range very high, if you use analog tachometers the game will crash, setting the tachometers to digital prevents this.
00:00 Stock Power Race 03:06 Replay 06:12 Upgrades 07:33 Max Power Race 11:00 ReplayJupiter Gravity Race - Forza MotorsportOoper2026-05-05 | A heavyweight car event but gravity has been changed to match that of Jupiter.
00:00 My POV 04:44 AI POVMoon Gravity Race - Forza Motorsport 1Ooper2026-05-04 | A heavyweight event but the gravity has been changed to match our moon's.
00:00 My POV 02:09 Turn off Tyre Sounds 02:45 My POV 09:24 ReplayStock Saab 9-3 Forza MotorsportOoper2026-05-04 | 1000kg, 1.5x power, 10x brake, 50:50 weight distribution, -3 drag.8x Power- 800KG - Bentley Continental GT - Forza Motorsport 1Ooper2026-05-02 | Me and an AI try a Bentley Continental GT with over 8 times power, 800kg and breaks that are 10 times as strong.
00:00 My POV 04:44 AI ReplayRIP Emulator - Forza Motorsport 1Ooper2026-04-27 | A fast way to crash the emulator.RIP Corvette Stingray - Forza Motorsport 1Ooper2026-04-24 | ...AI Bowling - Forza Motorsport 1Ooper2026-04-22 | Totally normal Forza Motorsport gameplay on the xemu emulator.
00:00 My POV 08:24 ReplayNegative Drag - Forza Motorsport 1Ooper2026-04-22 | Found the drag memory address for cars like I did with Gran Turismo 3/4.
-8 bytes from car weight is drag value -4 bytes from car weight is torque multiplier car weight float +4 from car weight weight distribution? lower to the front, higher to the rear 0-1 float 0.5 =50/50
00:00 Stock 962c 01:03 Zero Drag Top Speed 01:53 -1 Drag Top Speed 03:00 -2 Drag Top Speed 04:27 -4 Drag Top Speed 06:25 -1 Drag Race 08:15 -3 Drag Race 11:11 -6 Drag Race 15:50 Replay 17:20 Takeoff 17:40 Replay 18:00 Replay BreaksChanging Car Power - Forza Motorsport 1Ooper2026-04-18 | Showing how to find and change a cars power by searching for the cars weight(in KG), and modifying the float 4 bytes before the weight address.
00:00 Power at 0.25 00:41 Power at 1 01:02 Power at 2 01:50 Power at 10 03:20 Looking For Addresses 05:20 Power at 5 07:32 Power at 4 & 800kg 12:58 Looking for addresses 19:10 Race Car Power at 6 24:52 Watching Ai DriveChanging Car Weight - Forza Motorsport 1Ooper2026-04-18 | Messing around with the xemu emulator and cheat engine. A few random values, and then a full race with a 250kg Nissan Skyline.
00:00 Normal Weight Demo 00:23 800KG Demo 00:49 400KG Demo 01:11 200KG Demo 01:35 25KG Demo 02:10 1KG Demo 02:42 250kg RaceAlways Green Tyres(All Cars) Patch - Gran Turismo 3 NTSCOoper2026-03-15 | Tyres for the player and AI will always be green, works for single race events and championship races(Simulation mode only). github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Clio Sport 05:01 BMW 328ci 09:28 V8 Vantage 14:10 Dodge ViperLike The Wind AI Gearing Fixes Patch - Gran Turismo 3 NTSCOoper2026-03-05 | Adjusts the final gear ratio for most of the cars used by the AI, I did something similar before but it was buggy, this will also affect the cars in other events. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach Cars changed Zonda C12S, Lotus 350, supra rz, nissan gtr v spec 1, arta nsx, 787b, Esperante gtr 1, speed12, castrol toms supra
00:00 Race 1 02:37 Race 1 Replay 04:12 Race 2 06:18 Race 2 ReplayMax Power Exhaust Upgrades Patch - Gran Turismo 3 NTSCOoper2026-02-28 | Patch that gives all exhaust upgrades the max power possible, this also gives racing cars and cars that come with exhaust upgrades a lot more power in their stock form. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Ford Escort 04:40 Honda NSX 11:10 GT-One Race Car 15:12 Ai also get upgrades 17:30 Lupo Cup Car 22:41 Escudo Pikes PeakRacing Transmission Auto Tune Level Max Range Patch - Gran Turismo 3 NTSCOoper2026-02-24 | A patch that allows all racing transmissions to have a auto tune range of level 2 to level 255(level 1 breaks the gearing, lower values can still create off effects like going in reverse in 1st gear in some cars). Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnachMax Power Port Polish Upgrades Patch - Gran Turismo 3 NTSCOoper2026-02-23 | Max power port polish test patch. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Mira TR-XX 05:06 Alto Works 09:58 Mustang SVT 15:48 Lancer Evo V 21:05 Lotus 350 21000bhpMax Power Racing Chip Upgrades Patch - Gran Turismo 3 NTSCOoper2026-02-22 | A simple patch that changes all the racing chip upgrades to give the maximum possible power. Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Opel Speedster 04:32 Camaro SS 07:38 Dodge Viper 15:40 Mazda RX7 20:00 Honda CRX Del Sol 25:00 Lotus Elise 29:20 TVR Speed 6 33:48 Nissan Skyline 38:48 Zonda C12S 43:12 Lotus Esprit 350 48:25 Toyota Yaris RS 52:40 Chrysler PT Cruiser 56:08 CobraLap Count Patches(1-255 Laps) - Gran Turismo 3 NTSCOoper2026-02-19 | Change the total amount of laps for both single race events and championship events. 1,2,5,10,15,20,25,50,69,100,255 are available. You can also change them mid race as long as you started the race with one active, if you put the target laps below your current laps you can't finish the race until you set it back to a value higher than your target laps. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnachTurbo Cars Modifier Patches - Gran Turismo 3 NTSCOoper2026-02-01 | Unlike the previous video applying these patches gives turbo cars ridiculous amounts of power, if you want to drive an Alto Works with 1000+bhp you can. There are 8 different values with an additional 2 just for pure stupidity sake. All turbo cars are affected including AI cars, NA cars have their normal power. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach The game crashes loading the License tests because I forgot rubberband cheat does that on license tests.
00:00 Demoing the changes 01:15 Sunday Cup Demo 05:33 Forgetting about RubberbandGive Turbos Max Power Patch - Gran Turismo 3 NTSCOoper2026-02-01 | This is a minor power increase to some turbos and a huge for others, the byte I change can already be high for some turbos(value of 230 for example), i've changed this value to 255 for all turbos. Stock cars with turbos are also affected including AI. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Testing 08:36 Alto Works Dominate Sunday CupBuy Unused Cars In Car Dealer Patch - Gran Turismo 3 NTSCOoper2026-01-31 | A patch that changes the Audi S4 in the show room to give you one of the special/unused cars. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach Sample 001-010, Lamborghini Diablo, Lancia Stratos, Lancia Stratos Rally Car, Nissan GT-R M-Spec, Porsche 911(996) GT3, Mazda MX-5(Offset Japanese Plate),Mazda MX-5(Roll Cage + Japanese Plate),Mazda MX-5(Gran Turismo Plate), Lancer 6 Rally Car Special(looks the same as the normal one but you cant upgrade it)
00:00 Porsche 911 966 00:47 Lancia Stratos Rally Car 01:25 Lancia Stratos 02:39 Lamborghini Diablo 03:37 Nissan GT-R M-Spec 04:31 Mazda MX-5 Gran Turismo Plate 04:54 Mazda MX-5 Roll Cage 05:27 Mazda MX-5 Offset Japanese Plate 05:54 Lancer 6 Rally Car Special 06:38 Sample 001 07:22 Sample 010 08:11 Sample 002 09:04 Sample 003 10:06 Sample 006Unlock All Dealership Cars Patch - Gran Turismo 3 NTSCOoper2026-01-31 | Patch that unlocks all the cars you can not normally buy in the dealerships. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Dealership Demo 03:35 Race In GTR LM Road CarGear Ratio Multiplier Patches - Gran Turismo 3 NTSCOoper2026-01-29 | I've added the global gear ratio scalers/multipliers to the new patch, these make the gear ratios a lot longer and affect all cars including the AI. github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 80% Gear Ratio 01:14 70% Gear Ratio 02:53 50% Gear Ratio 05:22 33% Gear Ratio 06:47 25% Gear Ratio 09:13 50% Gear Ratio Full RaceZero Air Resistance Patch - Gran Turismo 3 NTSCOoper2026-01-28 | I've changed the patch file again, it turns out this is probably a global air resistance value, when I set it to 0 all cars have no downforce or drag, if I double it all cars have double downforce and drag. I've added 0x(displayed in this video), 1x, 2x, 3x, 4x, 5x, 8x, and 10x modifiers. This videos shows the 0x modifier allowing for much higher tops speed without upgrades. Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Normal Air Resistance 01:26 Zero Air Resistance17000 RPM Patch - Gran Turismo 3 NTSCOoper2026-01-27 | I've added my old 17000RPM cheat to the new patch file, this works in simulation mode single races, and championship races. Main difference is you can now toggle on or off. Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Ford Mustang 01:55 Panoz Esperante GTR1 03:46 TVR Speed 12 05:21 Mazda 787BEasy Arcade Race With And Without Rubberband - Gran Turismo 3 NTSCOoper2026-01-27 | Using a replay to demo the differences of removing the AI rubberband and max throttle limits on an easy arcade race makes. Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Default Gameplay 01:04 No Rubberband 01:52 No Throttle Limits & No RubberbandRemove AI Rubberband & AI Throttle Handicaps Patches - Gran Turismo 3 NTSCOoper2026-01-27 | I've added two updated cheats to the main patch file, 1 cheat that removes the max throttle limits for AI cars in easier events, and another that removes rubberband from AI cars: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach The point of the video is just to show the difference is gaps between player and AI cars within the 3 different modes, in the stock gameplay you can see they stay somewhat close too each other and get pulled along with the player, with rubberband off they spread out faster and don't get pulled along with the player, with rubberband off and Max throttle off you can see their cars true performance.
00:00 Stock Gameplay Demo 01:52 No Rubberband Demo 03:32 No Max Throttle With No RubberbandCrazy Kerbs 3 Patch(License Tests) - Gran Turismo 3 NTSCOoper2026-01-26 | I updated the crazy kerbs patch, it's the same as before apart from test IB-3 and S2 they have a nerfed/alt value to make going over train tracks possible, A-7 was fixed in version 2. Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach
00:00 Fixed A7 Demo 00:30 IB-3 Demo 04:22 S-2 DemoUpdated Power Cheats - Gran Turismo 3 NTSCOoper2026-01-25 | Patch: github.com/scottadkin/Gran-Turismo-3-NTSC-Patches/blob/main/8AA991B0.pnach You have to toggle these while in a menu, not during gameplay, some menus update their text straight away some you have to go back and return to the same area to see the change. I removed the 1% and 1Billion x power ones as they didn't work or crashed the emulator.Angry Walls Patch(License Test Safe) - Gran Turismo 3 NTSCOoper2026-01-25 | An updated version of my angry walls patch, the wall pushback physics are normal if the AI has control of the car. It's not really a problem until you give cars more power or less grip.