Free games like Null Core
Below are 8 free-to-play Steam games similar to Null Core, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Null Core page.
Ranked picks
- 1

Counter-Strike:Global Offensive
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action with Null Core.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 2

Awaria
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action and Indie with Null Core.
Awaria is a short game about working in haunted maintenance tunnels.
- 3

The Expendabros
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action and Indie with Null Core.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4

Disfigure
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action and Indie with Null Core.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 5

Princess Remedy in a World of Hurt
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action and Indie with Null Core.
Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).
- 6

Lily's Well
Free-to-play alternative to Null Core — no purchase or trial window. Shares Indie and Adventure with Null Core.
It is a rainy night in the Spring of 2005. Lily is left home alone after her Papa put her to bed. She is awoken by a cry for help outside her window. It is coming from the well. Help Lily gather rope to go down the well and save the poor soul trapped down there.
- 7

I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to Null Core — no purchase or trial window. Shares Action and Indie with Null Core.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 8

Epic Battle Fantasy 3
Free-to-play alternative to Null Core — no purchase or trial window. Shares Indie and Adventure with Null Core.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!