OVERWHELM

Action horror platforming where defeated bosses make other enemies stronger

Ruari O'Sullivan · Published by Alliance · Released Jun 11, 2018

Reviews: Very Positive; 83% of 236
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Playable
Last update on Steam: 4 years ago; Nov 19, 2021
Minimum PC: HD 5000; 2 GB RAM · 0.2 GB disk; Full requirements

What is OVERWHELM?

You explore a hive's caverns in this 2D action platformer, using a sparse map to navigate. You fight enemies and tackle five bosses in an order you choose; three deaths end a run.

For you if...

+you enjoy mastering short games through repeated attempts

Not for you if...

−you prefer combat that lets you survive multiple hits

What players say

83% of 236 reviews are positive

Players praise the atmosphere, music, and fast combat. Recurring complaints concern offscreen attacks and camera framing that hides nearby threats.

Screenshots and trailer

OVERWHELM system requirements

Minimum: HD 5000, 2 GB RAM, 0.2 GB of disk space.

As published by the developer.

Can my PC run OVERWHELM?

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Minimum

OS: Windows 7
Processor: Intel Core2 Duo 2.4GHz or equivalent
Graphics: Intel HD Graphics 5000 or better
Memory: 2 GB RAM
Storage: 200 MB available space

Does OVERWHELM have co-op or multiplayer?

Yes: co-op split-screen; PvP split-screen. It also has a single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does OVERWHELM run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS
Achievements: 10
Steam features: Family Sharing, Trading cards
Languages: Text only: English, French, Italian, German, Spanish - Spain.

Does OVERWHELM use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam