Single-player games like Descending Darkness
Below are 8 single-player Steam games similar to Descending Darkness, 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 Descending Darkness page.
Ranked picks
- 1

Tower & Invasion
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Strategy with Descending Darkness.
A fast-paced PvP tower defense where you must defend your castle, send enemy waves, and use powerful abilities to overwhelm your opponent.
- 2

Ultimate Zombie Defense
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Strategy with Descending Darkness.
Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?
- 3

OTTTD
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Strategy and Indie with Descending Darkness.
Take command of HEROCORP™ and launch a Preemptive Defence Campaign™ against parallel dimensions in OTTTD, the most outrageous Tower Defence title around.
- 4

VERSUS SQUAD
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Indie with Descending Darkness.
Versus Squad is a fast action twin-stick shooter from the creator of Nation Red. Build your own sandbox defense and battle thousands of zombie mutants in top down combat! Face up to a dozen bosses. Simultaneously. Collect loot, build and repair. Play single player, on-line or local coop!
- 5

Skirmish Line
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Strategy with Descending Darkness.
Experience the brutality and randomness of war as an Allied tactical commander in the Pacific Theater during World War 2. Train, equip, and command a squad of soldiers as you fight against the fanatical Imperial Japanese Empire.
- 6

Infested Planet
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Strategy with Descending Darkness.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 7

Sairento VR
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Action and Strategy with Descending Darkness.
VR was made for this. Perform triple jumps, wall runs, power slides and slow time down while blasting away at a foe before landing to deliver a blade attack on another. Kit yourself with katanas, firearms, bows, throwing glaives and legendary relics. Keep upgrading as you play. PURE CYBER NINJA FUN.
- 8

AI War: Fleet Command
Single-player alternative to Descending Darkness — playable solo, no multiplayer required. Shares Strategy and Indie with Descending Darkness.
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...