Free games like Calyx
Below are 8 free-to-play Steam games similar to Calyx, 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 Calyx page.
Ranked picks
- 1
The Riftbreaker: Prologue
Free-to-play alternative to Calyx — no purchase or trial window. Shares Strategy with Calyx.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 2
Warframe
Free-to-play alternative to Calyx — no purchase or trial window.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
- 3
Supermarket Together
Free-to-play alternative to Calyx — no purchase or trial window.
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action!
- 4
Minion Masters
Free-to-play alternative to Calyx — no purchase or trial window. Shares Strategy with Calyx.
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
- 5
Bloons TD Battles 2
Free-to-play alternative to Calyx — no purchase or trial window. Shares Strategy with Calyx.
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!
- 6
Age of Empires III: Definitive Edition
Free-to-play alternative to Calyx — no purchase or trial window. Shares Strategy with Calyx.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 7
Eternal Return
Free-to-play alternative to Calyx — no purchase or trial window. Shares Strategy with Calyx.
Eternal Return is a free-to-play, 2.5D perspective Battle Royale game. Search, Craft, Hunt, and Fight using a variety of characters. Plan your strategy and become the last survivor on this eternal experiment.
- 8
Cell to Singularity - Evolution Never Ends
Free-to-play alternative to Calyx — no purchase or trial window.
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.