Single-player games like Project Viper
Below are 8 single-player Steam games similar to Project Viper, 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 Project Viper page.
Ranked picks
- 1
Computer Manufacturer
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Simulation with Project Viper.
Develop your computer empire, control costs, and increase profits. Decide whether to develop hardware in-house or purchase it, and whether to prioritize cost-effectiveness or pursue higher profits. The choices are all up to you.
- 2
Cultivation Idle
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
A casual cultivation-themed incremental idle RPG. Start as a Qi Refining cultivator, auto-train, idle, break through realms, explore maps and dungeons, defeat monsters, collect gear, skills, materials, pills, spirit stones and pets, farm, fish, chop wood, mine, cook, forge, and plan long-term growth
- 3
Noah's Dilemma
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
A sudoku-inspired strategy roguelike where you build a team of animal sailors and guide your ark through perilous seas. Master tactical placement, face unpredictable encounters, and battle deadly foes as you chart a course through this reimagined world of Noah's Ark.
- 4
Lareissa Everbright
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
Bursting with equipment, Gwenaelle is set to deliver a holy relic to Fort Trista. With each swing of her blade and snap of her bow, they dull and break. Mind each item well to survive this turn-based combat game with a tactical inventory management twist!
- 5
OIL.EXE
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
Drill the wells. Run the refinery. Read the market. OIL is a free text-based simulation of running a petroleum operation, played at a 1980s green-phosphor terminal. End each year richer or bankrupt. Mind the bear market. Climb the leaderboard.
- 6
Belatoris
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
Lead your legion in an open-world RPG with tactical combat, settlement management, and meaningful choices.
- 7
From The Bunker
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
In «From The Bunker» you play as a group of survivors who have found a fortified bunker and are trying to survive in a world filled with the living dead. You'll have to explore the map in search of resources, fight off threats and build relationships with factions. Do whatever it takes to survive!
- 8
韭神：技能炒股
Single-player alternative to Project Viper — playable solo, no multiplayer required. Shares Strategy and Indie with Project Viper.
Buy the dip, it dives. Sell the peak, it soars. Tired of being the sucker? Welcome to Leek God: Skill-Based Stock Trading—where the system itself hands you the hacks! The system is literally cheating for you. How can you not win?