OVERWHELM is a Action game from Ruari O’Sullivan with a 84% positive Steam review signal. Indie Lantern indexes it for players browsing by single-player, co-op.

Game snapshot
- Developer
- Ruari O'Sullivan
- Release year
- 2018
- Playtime
- Varies by player
- Price
- $9.99
- Review signal
- 84% positive
Screenshots






System requirements
PC
- Minimum
- OS *: Windows 7
Processor: Intel Core2 Duo 2.4GHz or equivalent
Memory: 2 GB RAM
Graphics: Intel HD Graphics 5000 or better
Storage: 200 MB available space
macOS
- Minimum
- OS: OS X Yosemite (10.10)
Processor: Intel Core2 Duo 2.4GHz or equivalent
Memory: 2 GB RAM
Graphics: Intel HD Graphics 5000 or better
Storage: 200 MB available space
From Steam reviews
Review notes
OVERWHELM is worth a closer look if you want boss rush, strong atmosphere, great with friends, and pixel art.
Best for players who want strong atmosphere, pixel art, emotional story, and boss rush.
Check more carefully if you dislike technical roughness.
boss-rush
Play styleA major part of the game is learning and beating standout fights.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
great-with-friends
FitIt tends to be better when shared with friends.
pixel-art
SettingThe visual language is pixel-led or deliberately retro.
replayable
FitThe structure gives reasons to return rather than finish once.
controller-friendly
FitController, gamepad, or Steam Deck play comes up as a plus.
buggy
FrictionTechnical roughness or instability comes up often enough to check.
short-game
PacingIt is better understood as a compact experience than a long hobby game.
Steam review snapshots
Excellent 2D pixel art shooter with a good learning-curve.The exploration is purely just slightly hazerdess enviroments along basically linear paths that lead you to the boss fights.There are 5 bosses and each lie within the depths of a completely different area with different gimmicks that will make things…The game also comes with a NG+ that increases difficulty, but it doesnt change enough to increase replayability.Why it fits
Check it if you want action filtered by single-player, co-op.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.