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Jerma's Big Adventure
Oh no! Jerma985 has fallen into a spooky cavern filled with ROBOT dinosaurs and EVIL warlocks. In this wacky action-platformer, fight to escape the treacherous cavern while a live studio chat cheers you on!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“this game genuinely saved my life my life has been getting worse and worse every day i wrote my suicide note this morning and my plan was to take my pistol and end it all tonight when i wake up from bed i had everything planned and set but when i woke up accepting my fate i…”
— a player, Steam review · 27 hrs played“The 10 hour Freddy Fazbear sex scene wasn't that necessary,”
— a player, Steam review · 1 hrs played“It should be illegal to make a game this enjoyable.”
— a player, Steam review · 0 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Jerma's Big Adventure 2 Trailer and Steam Page
Behold, Jerma's Big Adventure 2! The official sequel to "Jerma's Big Adventure" is in development! Wishlist now on Steam! Jerma's Big Adventure 2 on Steam Watch the first trailer here: Become renowned
A late video for the WACKY cheats update (and some final thoughts on the game)
Hey, so I meant to release a video alongside the wacky cheats update but then I didn't finish it in time, so then I decided not to do it, but then I decided to do it anyways, and now it exists. Check
The WACKY CHEATS Update - Including a playable raptor mode!
WACKY CHEATS! Featuring Raptor Jerma Play as a raptor. Shoot lasers. Aim lasers up and down. Use lasers to reflect other projectiles. Fast Jerma Go fast. Quick Attack Spam your attacks. Roll Attack Ro
"Jerma's Big Adventure" Behind the Scenes is Out Now
Behold, the TRUTH is now revealed... I've also uploaded all the game's custom sprites/audio to be freely used in your projects if you want, which you can find the video description and here: Jerma's B
v.1.2.2 Minor bug fixes - No longer get hit by reflected projectiles
Very small update. Feel free to move along and ignore this. v1.2.2 Changes When you reflect lasers, you can no longer get hit by the reflected laser UNLESS it is reflected back at you by a certain ene
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Action, Adventure, Free To Play, Indie |
| Player tags | Comedy · 2D Platformer · Dinosaurs · Baseball · Hack and Slash · Gambling · Robots · Magic · Cartoony · Story Rich · Multiple Endings · Action (Steam store community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing |
| Languages | English * * |
| Controller | Full support |
| Achievements | 21 |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 (SP1+) and Windows 10 Processor: x86, x64 architecture with SSE2 instruction set support. Memory: 4 GB RAM Graphics: DX10, DX11, DX12 capable GPUs. Storage: 500 MB available space Additional Notes: These system requirements are just the default system requirements given for Unity 2020 apps. The game is 2D and shouldn't be demanding.