Speedrunning EVERY* Cave Story+ Steam Achievement @periwinkle.
Speedrunning EVERY* Cave Story+ Steam Achievement  @periwinkle.
Uploaded February 2023 | Updated September 2026, 1 week ago
* except for the 2 calendar event achievements ("Happy Birthday Pixel!" and "Merry Holiday Happy Euphemism")

Up to now, I've always played on the Humble Bundle version of the game, but recently I decided to finally redeem the Steam key that came with it, and so I figured it'd be fun to speedrun getting all of the achievements!
I had a route planned out beforehand, but I wasn't quite sure whether it would work out as planned. (For example, I wasn't sure whether the Mimiga Mask ending would count for both that achievement and the normal achievement for beating the game.) As you'll see in this run, I did end up having to make some on-the-fly route changes, a couple of which were maybe not the best decision in terms of speed. Stick around for the ending plot twist...


Some timestamps just to see if the chapters feature works:
0:00 Intro
1:43 Easy mode run
1:00:46 Normal mode run
1:54:52 Hard mode run
3:26:46 Wind Fortress
3:31:19 Sanctuary Time Attack
3:35:00 Boss Attack
3:43:15 lol
Speedrunning EVERY* Cave Story+ Steam AchievementCave Story+ (PC) Hard mode speedrun—40:51 Bad Ending, 52:16 Normal EndingOverkilling roaches in Cave Story+(39:00) Cave Story Bad Ending speedrun(39:42) Cave Story Bad Ending speedrunAnother Sand Zone pacelock?(1369) Cave Story+ Wind Fortress speedrunOmega getting DESTROYED by a TAS for over 10 minutes(38:43) Cave Story Bad Ending speedrunSora hundo (๑╹ᆺ╹) (32:46 RTA)Rough Drafts: Super Mario Bros. (PAL) warpless TAS in 18:46.723(5382) Cave Story+ Boss Attack speedrun
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Speedrunning EVERY* Cave Story+ Steam Achievement

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