Free games like Sera Dion: Survivor
Below are 9 free-to-play Steam games similar to Sera Dion: Survivor, 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 Sera Dion: Survivor page.
Ranked picks
- 1

Counter-Strike:Global Offensive
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Action with Sera Dion: Survivor.
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

The Expendabros
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Action and Indie with Sera Dion: Survivor.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 3

Disfigure
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Action and Indie with Sera Dion: Survivor.
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!
- 4

The Lab
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 5

Moonring
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window.
A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.
- 6

Die in the Dungeon: Origins
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Indie with Sera Dion: Survivor.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 7

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

Jigsaw Puzzle Dreams
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Indie with Sera Dion: Survivor.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 9

Mauled Horde
Free-to-play alternative to Sera Dion: Survivor — no purchase or trial window. Shares Action and Indie with Sera Dion: Survivor.
Mauled Horde is a Free-To-Play indie Third-Person Shooter made by a solo developer. Play solo or in co-op, fight relentless hordes across varied maps, collect weapons, activate traps, buy upgrades, and survive rising difficulty round after round.