Single-player games like Siege of Nightmares
Below are 8 single-player Steam games similar to Siege of Nightmares, 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 Siege of Nightmares page.
Ranked picks
- 1
Warriors of the End
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Siege of Nightmares.
Warriors of the End is a fast-paced tower-defense horde-battler roguelike. Defend the Princess against enemy hordes by strategically positioning and upgrading your towers, customize unique characters with deadly weapons and spells, discover mindblowing synergies and create game-breaking builds!
- 2
Shotgun Rogue
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action with Siege of Nightmares.
Shotgun Rogue is a fast-paced roguelite where you defend your home from waves of enemies. Upgrade weapons, build turrets and traps, and unlock passive abilities each round. Create powerful combos, fortify your base, and survive as long as you can.
- 3
Snake: Gridbreaker
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Siege of Nightmares.
There is no tutorial. And there won't be. I believe in you. I couldn't escape the Grid. Maybe you can. You are snake who eats apples. j/k You want to escape the grid loop. BUT the LOOP wants to keep You in.
- 4
Cue Knight
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action and Strategy with Siege of Nightmares.
A roguelite inspired by billiards. Slay monsters using exquisite aim, powerful strategy and a bit of magic!
- 5
INFERIUS
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Strategy and Indie with Siege of Nightmares.
Descend through nine dominions of Hell in a first-person horror roguelike deckbuilder. Wield Major Arcana tarot cards, upgrade your deck between deaths, use your lantern to survive the dark, and defeat each ruler before your sanity breaks.
- 6
HIRUN
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Siege of Nightmares.
HIRUN is an absolute banger of cyberpunk action roguelite where you blast, dash, and drift through neon-drenched hordes. Stack insane upgrades, unlock dope characters, and slash through deadly bosses. The OVERLORD awaits you. Die, rewire, and dive right back into the grid. Can you survive the rave?
- 7
Toypunk
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action with Siege of Nightmares.
A roguelite third-person puppet-shooter where you wield an entire toybox of absurd weaponry. Fight hordes of cotton-stuffed baddies across fantastical biomes in single-player or co-op. Experience crazy synergies and unlock more toys between runs!
- 8
Dream Fortress
Single-player alternative to Siege of Nightmares — playable solo, no multiplayer required. Shares Action and Strategy with Siege of Nightmares.
Dream Fortress combines crazy fast combat and building with strategic and competitive automation. Kill hordes of aliens while gathering resources, crafting gear, and building fortresses on an ever-changing planet. After asserting dominance, summon defeated aliens to devastate opponents in PvP.