Free games like Sixty Four
Below are 9 free-to-play Steam games similar to Sixty Four, 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 Sixty Four page.
Ranked picks
- 1

Revolution Idle
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Indie and Simulation with Sixty Four.
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?
- 2

Clicker Heroes
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Strategy and Indie with Sixty Four.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.
- 3

AdVenture Capitalist
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Indie and Casual with Sixty Four.
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
- 4

Mr.Mine
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Strategy and Indie with Sixty Four.
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
- 5

Plasma
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Indie and Simulation with Sixty Four.
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
- 6

PickCrafter
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Strategy and Indie with Sixty Four.
Conquer PickCrafter, the hit indie idle game! Break blocks, forge equipment, and collect powerful Pickaxes. Prestige to legendary tiers with the new Ascension Skill Tree. Discover biomes and battle epic bosses. Make meaningful choices and invent complex builds in this addictive endless adventure!
- 7

Idling to Rule the Gods
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Strategy and Indie with Sixty Four.
Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours!
- 8

Crusaders of the Lost Idols
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Indie and Casual with Sixty Four.
Crusaders of the Lost Idols is an idle game of heroic awesomeness! Create a band of fighters to fight monsters, earn gold and create strategies for the perfect formations over multiple campaigns! Upgrade your heroes, collect unique gear, and unlock new Crusaders in regular new events.
- 9

Upload Labs
Free-to-play alternative to Sixty Four — no purchase or trial window. Shares Simulation with Sixty Four.
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect