75%Strong matchClicker Heroes
91%75691% positive reviews, Very Positive across 756 reviews·Idler · 2D
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Build the ultimate hero formation on a tactical grid, then watch your team crush endless waves. Level heroes, collect mounts, farm pets, dig into mines, and prestige across 17+ worlds, all while you're away. A deeply layered idle RPG with real strategic depth.
Formation Builder Idle
SteamFormation Builder Idle is an idle RPG where the location of your heroes matters just as much, if not more, than which heroes you use. Drag your roster onto a tactical grid, see the impact of abilities change based on your formation, and push deeper into an ever-escalating wave system, then close the game and come back to a pile of rewards. This isn't a game where you just stack your strongest units and walk away. Hero abilities interact based on grid position, buffs ripple outward, gold multipliers stack with DPS amplifiers, and the difference between a good formation and a great one can be orders of magnitude. Finding that perfect layout is where the magic happens.
Every hero brings a unique ability to the grid. Some boost adjacent allies. Some multiply your gold. Some scale with the number of heroes around them. Pair that with individual gear sets, traits, and level scaling, and you've got a roster where every hero has a reason to exist, and a formation where they shine. Left-click to level up one at a time. Right-click to buy max. Simple controls, deep decisions.
Formation Builder Idle doesn't have one progression path, it has many, and they're all connected:
When you've pushed as far as you can, prestige. Cash in your gold for talent points, earn World Essence, a unique currency for each world, and start the climb again, stronger than before. With 17+ worlds and over 100 stages, there's always another wall to break through.
Close the game. Your formation keeps fighting. Come back to offline progress, gold earned, waves cleared, chests dropped, mine resources gathered. Formation Builder Idle respects your time whether you're actively playing or checking in once a day.
Beyond the main wave game, there's an entire mount combat system waiting. Level up your mounts with Animal Food, assemble teams with terrain element synergies, assign hero riders for stat bonuses, and pick your team leader for an edge in battle. Fight enemy squads and climb the Tower of Domination, a multi-chapter campaign with escalating difficulty. It's a whole second layer of strategy to master.
Formation Builder Idle is in active Early Access development by a solo developer. New heroes, new systems, balance passes, and quality-of-life updates ship regularly. Your feedback directly shapes what comes next.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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