Free games like Radium
Below are 8 free-to-play Steam games similar to Radium, 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 Radium page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to Radium — no purchase or trial window. Shares Action with Radium.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 2
Iron Snout
Free-to-play alternative to Radium — no purchase or trial window. Shares Action and Indie with Radium.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 3
Aimlabs
Free-to-play alternative to Radium — no purchase or trial window. Shares Action and Indie with Radium.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 4
Bloons TD Battles 2
Free-to-play alternative to Radium — no purchase or trial window. Shares Action and Indie with Radium.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 5
Bloons TD Battles
Free-to-play alternative to Radium — no purchase or trial window. Shares Action with Radium.
Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.
- 6
TrackMania Nations Forever
Free-to-play alternative to Radium — no purchase or trial window.
A free game in the truest sense of the word, TrackMania Nations Forever lets you drive at mind-blowing speeds on fun and spectacular tracks in solo and multiplayer modes.TrackMania Nations Forever offers a new "Forever" version of the Stadium environment, a solid solo mode and 65 brand new, progressively challenging tracks.
- 7
Yet Another Zombie Defense
Free-to-play alternative to Radium — no purchase or trial window. Shares Action and Indie with Radium.
Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.
- 8
b
Free-to-play alternative to Radium — no purchase or trial window. Shares Indie and Casual with Radium.
play as you desire b free flight experience