Single-player games like Voltage
Below are 14 single-player Steam games similar to Voltage, 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 Voltage page.
Ranked picks
- 1

Turok
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Adventure with Voltage.
A world where time has no meaning - and evil knows no bounds. Torn from a world long gone, the time traveling warrior Turok has found himself thrust into a savage land torn by conflict.
- 2

Turok 3: Shadow of Oblivion Remastered
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Adventure with Voltage.
Finish the hunt in this epic finale to the Turok Trilogy. Pick up immediately after the events of Turok 2: Seeds of Evil, with dual protagonists Joseph and Danielle Fireseed, of the Turok family tree, as they battle the titular antagonist Oblivion and its followers, the Flesh Eaters.
- 3

Prodeus
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 4

Daymare: 1998
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission.
- 5

Outlast 2
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.
- 6

Follia - Dear father
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Follia – Dear Father is a stealth survival horror that captures the genre’s essence in the halls and rooms of a university campus. Marcus goes in search of his parents, but instead finds himself struggling for his life against deadly horrors that creep around every corner.
- 7

Agony
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Agony is a first-person, survival horror set in hell. You will begin your journey as a tormented soul within the depths of hell without any memories about your past. The special ability to control people on your path, and possess demons, gives you the measures to survive.
- 8

Blood II: The Chosen + Expansion
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Adventure with Voltage.
Includes original Blood II: The Chosen and add-on package The Nightmare LevelsAn immersive atmosphere full of dark humor and exciting actionFour playable characters and wide variety of weapons
- 9

RTS Commander: Smash the Rebels
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Indie and Adventure with Voltage.
Welcome to the Earth Republic army! The year is 2257. Fight against Rebels, explore territories, build a new bases, develop new vehicles, discover what lies ahead and restore peace. The hope lies on your shoulders...
- 10

Seasonal Soccer
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Seasonal Soccer is single-player soccer game and incredible fun to play. Play against challenging CPU! You can also let AI play your team players and "manager" your team. And take full control when situation goes tricky! Or play all time with 100% control of your players. You have 8 teams to choose. Easy to play & fun!
- 11

Green Dragon/グリーンドラゴン
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Tougo is a distinguished martial artist recruited by a British intelligence agency takes part in a fierce fight against mysterious Cannabis drugs lord Taito, who is also responsible for Dee's fathers death. Together with agent Alice they discover the drug lair situated at an urban city...
- 12

Taivas
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Indie and Adventure with Voltage.
Taivas is a mysterious action roguelite set in a world of myth, and a time of magic. The destiny of a Canidae Kingdom rests on the shoulders of a young fox alike boy. His name… Joakim. Use spells and special weapons to explore, destroy and fight your way to the UpWorld, and beyond...
- 13

Hardcore Trivia
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Indie and Casual with Voltage.
Challenge your brains and have a fun time! Hardcore trivia offers questions for many needs. It's time to test your knowledge! 9 themes: All-Stars ice-hockey, Caribbean Flags, The Roman Empire, European Flags, Solar System, Learn C++ Quiz Part1, General knowledge, U.S State Flags Trivia and more!
- 14

VALE
Single-player alternative to Voltage — playable solo, no multiplayer required. Shares Action and Indie with Voltage.
Fight your way to dominion over the universe in this Shoot Em Up game based on the book! On the planet Vale, known for its extreme cold and endless snowfields, the story follows young Talen Esko and his sister Salla, whose family, the Esko clan, is transferred to govern this icy world.