Single-player games like Rebel Knights
Below are 8 single-player Steam games similar to Rebel Knights, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Rebel Knights page.
Ranked picks
- 1

SiegeBorn
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
SiegeBorn is a top-down action RTS. Lead your troops, command powerful siege engines, and defeat the enemies!
- 2

Stronghold Conquest
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
In this thrilling Tower Defense - type game, you will become the main defender of your kingdom. Build powerful guns and strategically deploy them on the battlefield to fend off waves of incoming enemies. Your goal is to protect your territory and destroy all threats using various types of guns.
- 3

Bulwark
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
Bulwark is a medieval-themed 2D pixel tower defense game with a dynamic block-based building system. Construct and fortify your castle, manage resources, and recruit troops to defend against waves of enemies. Build, strategize, and adapt in this unique blend of fortress construction and combat.
- 4

CastleStorm
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
- 5

No Heroes Here 2
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
A group of non-adventurers is the last hope in defending the castle in this chaotic co-op tower defense game with roguelike features. With up to 4 players, your party must organize the castle, work as a team to craft ammo, and shoot at enemies to protect your kingdom!
- 6

One More Tower
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
One More Tower is a horde survival TD set in a medieval fantasy world. Pioneer an unexplored forest, build your town and defenses, and hold out against the onslaught of enemies. How long can you survive?
- 7

Cartonfall: Fortress - Defend Cardboard Castle
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action and Strategy with Rebel Knights.
Build your own cardboard fort and defend it against swarms of enemies. Gather resources, craft weapons and set traps. Be creative, improvise and experiment to win.
- 8

Gummy Tummy
Single-player alternative to Rebel Knights — playable solo, no multiplayer required. Shares Action with Rebel Knights.
A co-op mining game set in a world made of candy. Bite tunnels through gummy terrain, haul loot and a bellyful of sugar back to the hub, then craft sharper teeth, bigger stomachs and soda-bottle jetpacks to dig deeper. Push past your tier and your teeth corrode go see the dentist!