
Forts
Stack walls and weapons onto a wobbling physics fortress, then trade fire in fast, chaotic matches where one good shot can bring the whole thing down.
Looking for that same competitive and replayable spark as Siegecraft Commander? These games make natural next picks for you. You can bring friends along for most of these.
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Also in Co-op · Replayable
Forts is a physics-based strategy game where you build a fortress in real time, arm it with machine guns, snipers and missiles, and blast your opponent's creation into a smoldering heap. Every wall you add and every shot you take has weight, so a clever design can hold the line or collapse spectacularly. Build, defend, demolish, repeat.
Also in Co-op · Competitive, Replayable
Extremely Realistic Siege Warfare Simulator is a physics-based tactical strategy game where you must lead a military force in a fantasy medieval world. Build an army. Construct siege equipment. Experience epic battles. Lead your people to victory!!
Also in Co-op · Competitive, Replayable
Cannon Brawl is action RTS and artillery hybrid. Pilot an airship, command powerful weapon emplacements and use the destructible terrain to out think and destroy your enemy! It's a new take on artillery strategy!
Competitive, Replayable
Take command of mighty Vikings, sly Persians or brutish Demons! Destroy your opponent’s base while defending your own in this action-packed side-scrolling RTS!
Also in Co-op · Competitive, Replayable
Tower defense turned against itself: while you build mazes of towers to grind down incoming waves, you are also the one sending those waves at someone else's castle. Attack, defend, upgrade, repeat, all in a cheerful steampunk world where losing still sounds funny.
Also in Co-op · Competitive, Replayable
Build fortresses brick by brick, then hold them against the Horrors of the Mist. By day you gather resources and raise walls; by night the hordes come, and every block you placed gets tested. A real-time strategy game about building tall, aiming from battlements, and losing gracefully.
Replayable
Become a master strategist in this physics-based Real-Time Tactics game! Command minifig-inspired armies and customize strategies with hand-drawn formations. Conquer unique campaigns for all five armies and unleash massive battles in both single-player and multiplayer modes. Victory awaits!
Also in Co-op · Competitive, Replayable
The time of war has come! Take the command of your kingdom and use your strategic skills to defend the siege against your fortifications. You can’t win only by defending your Kingdom. Develop your economics, assemble and upgrade your army to defeat the enemy forces in a real Battle of Kings.
Competitive, Replayable
Knights versus Vikings, settled by ballista. Fire explosive morningstars and flying sheep, send troops over the wall, drop spells when it all goes wrong, and knock the enemy castle down piece by piece. A funny, physics-driven mashup of tower defense and brawling, best with a friend on the couch.
Also in Co-op · Competitive, Replayable
Siege the Day is a tactical real-time combat castle builder game. Take control of your castle's defenses and fortifications. Engage in epic 1-on-1 battles! Build your ultimate castle and use catapults, cannons, magic spells, and dragons to wage war against other players.
Competitive, Replayable
Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).
Also in Co-op · Competitive, Replayable

Stack walls and weapons onto a wobbling physics fortress, then trade fire in fast, chaotic matches where one good shot can bring the whole thing down.

Cannon Brawl is action RTS and artillery hybrid. Pilot an airship, command powerful weapon emplacements and use the destructible terrain to out…

Take command of mighty Vikings, sly Persians or brutish Demons!

Build tower mazes to stop enemy waves while assembling your own armies to smash their castle first.

Fortify is a real-time strategy game with a tower defense twist.

The time of war has come! Take the command of your kingdom and use your strategic skills to defend the siege against your fortifications.

Defend your castle, bombard theirs, and laugh while the walls come down.

Siege the Day is a tactical real-time combat castle builder game. Take control of your castle's defenses and fortifications.

Warrior Kings: Battles maintains the excitement that made Warrior Kings a leading RTS.

Build, manage and defend your medieval castle in this crazy sidescroller RTS game.

An intense real-time strategy game set in a dark fantasy world of Orcs, Elves and Dragons.

Tower Dwellers is a unit crafting tower defence that features lots of micromanagement and keeps the player engaged in the battle throughout the…

Place buildings that fight for you, stack their bonuses, and let an endless army march out to tear down the enemy base.

Command units, call down bases and draft a fresh build after every battle in a fast sci-fi RTS where each run plays out differently.

Command an army or fight as one hero, tearing through bases, dungeons and undead nights with friends or rivals.

Welcome to the frontlines! Build towers, muster armies, and conquer the map.

Will your castle survive the relentless onslaught, or collapse under pressure?

Become a master strategist in this physics-based Real-Time Tactics game!

Build fortresses brick by brick, then hold them against the Horrors of the Mist.

Raise a bright medieval kingdom, then keep its walls standing when the Moon Beasts arrive at sunset.

Claim territory and command minimalist armies in quick tactical matches against other players.

Warlords Under Siege is a mix of RTS and Roguelike genre, where you build a small city and defend it against continuous waves of enemies.

Build a medieval town, raise armies and survive massive sieges with real-time-with-pause tactics.

Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).

Experience turn-based strategy with free-form base building, multi-unit control, colossal units, and powerful battle skills.

Welcome to the frontlines! Build towers, muster armies, and conquer the map.

Command units, call down bases and draft a fresh build after every battle in a fast sci-fi RTS where each run plays out differently.

Will your castle survive the relentless onslaught, or collapse under pressure?

Defend your city, then turn the tide: fuse weapons, summon troops and push back through shifting timelines, alone or with friends.

Claim territory and command minimalist armies in quick tactical matches against other players.

Place buildings that fight for you, stack their bonuses, and let an endless army march out to tear down the enemy base.

Raise a bright medieval kingdom, then keep its walls standing when the Moon Beasts arrive at sunset.

Command an army or fight as one hero, tearing through bases, dungeons and undead nights with friends or rivals.

Build fortresses brick by brick, then hold them against the Horrors of the Mist.

Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control…

Warlords Under Siege is a mix of RTS and Roguelike genre, where you build a small city and defend it against continuous waves of enemies.