Single-player games like Nightmare Conquest
Below are 9 single-player Steam games similar to Nightmare Conquest, 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 Nightmare Conquest page.
Ranked picks
- 1
Guildrun
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Turn a simple team into an unstoppable force and crush waves of monsters in this PvE autobattler roguelike. No two runs feel the same as you bend heroes beyond their class roles and discover countless combinations and synergies. Seal the rifts at your own pace and uncover what tore them open.
- 2
Stonespire
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy with Nightmare Conquest.
Stonespire is a roguelike autobattler about defeating a great evil to protect your city. Recruit an army and collect powerful relics while managing the limited lives of your units through a unique injury system. Unique enemies across various biomes create strategic challenges.
- 3
My Infamous Dungeon
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Be evil. Build your dungeon and grow your empire in this roguelite dungeon builder. Hire monsters, set traps, battle heroes, and conquer the overworld with an ever expanding legion of evil.
- 4
Primal Tactica
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Recruit a team of Primals, then equip and evolve them to survive deadly encounters! Loot powerful Relics and Augments and stack synergies to create wild gamebreaking teams. Primal Tactica is a roguelike autobattler where TFT meets Slay the Spire, with thousands of possible builds.
- 5
Open The Gate: Just A Little
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Medieval Tower Defense and Real-time Strategy hybrid where positioning, gold farming and tower capturing decide the outcome against waves of legions and dragons.
- 6
Overbuffed
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
A dark fantasy roguelike deckbuilder with auto-battler combat. Build your deck, summon creatures, upgrade your weapon, and fight your way through floors filled with ever-deadlier enemies. Every run is different. Every mistake can be fatal.
- 7
Idle Monster TD: Evolved
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Evolve epic monsters and crush puny humans in this endless idle tower defense game! Unlock, upgrade, and evolve over 150 unique monsters and pets, ranging from cute and colorful flower creatures to epic fire breathing dragons, to assemble the ultimate team against the endless waves of enemies.
- 8
Kings & Savages
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
A fast-paced, high skill Solo/Auto-Battler. Easy to learn, hard to master. Inspired by Chess and Dota.
- 9
Nightmare Mines
Single-player alternative to Nightmare Conquest — playable solo, no multiplayer required. Shares Strategy and Indie with Nightmare Conquest.
Destroy enemies, collect XP, level up, grab power-ups, and face the final boss! Finish in the shortest time possible and compete for the top of the leaderboard in this electrifying reimagining of the classic bomb-hunting game.