Choose Null Core
Choose Null Core if you want an Indie and Adventure game with Color Alternatives and Playable without Timed Input.
Null Core vs Invasion Protocol
Null Core and Invasion Protocol both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. Both support cooperative play. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Invasion Protocol
Choose Invasion Protocol if you want a Casual and Early Access game with Adjustable Difficulty. Invasion Protocol launched in 2026.
Both Null Core and Invasion Protocol sit in Action on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Null Core |  Invasion Protocol | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Indie, Adventure | Action, Casual, Early Access |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 9.99 USD |
| Steam reviews | — | 1 reviews |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | RetroStorm Studios | GoldenGod Games |
Side by side
- Both are Action games on Steam.
- Both support cooperative play.
Null Core vs Invasion Protocol — FAQ
- Are Null Core and Invasion Protocol similar?
- They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Do both Null Core and Invasion Protocol have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Null Core ships Shared/Split Screen Co-op, Co-op; Invasion Protocol ships Shared/Split Screen Co-op, Co-op.