Single-player games like VIEWPORT: The A.R.K. Protocol
Below are 9 single-player Steam games similar to VIEWPORT: The A.R.K. Protocol, 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 VIEWPORT: The A.R.K. Protocol page.
Ranked picks
- 1
Apotheosis Engine
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Action and Strategy with VIEWPORT: The A.R.K. Protocol.
An accident causes a lost space probe to become self aware. "Apotheosis engine" is a lore-rich incremental game. Grow from a piece of engineering into a galactic superdeity by navigating an alien OS.
- 2
Dungeon Dominator
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy and Simulation with VIEWPORT: The A.R.K. Protocol.
Build and expand your own warm, cozy dungeon where your minions live miserable lives and do their evil things. Take part in thrilling battles against humans, angels, and powerful bosses, defending your domain. Conquer the world by commanding an army with a wave of your hand!
- 3
Irondrive
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy and Simulation with VIEWPORT: The A.R.K. Protocol.
Your base is moving. Your crew is exhausted. Manage task priorities, automate critical repairs, and keep your colonists alive as your fortress drives through hell.
- 4
Three Kingdoms Club Manager
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy and Simulation with VIEWPORT: The A.R.K. Protocol.
This is a tactical roguelike with grid battles. Recruit heroes, collect gear and passives to build teams. The roguelike mode has Slay the Spire-style maps, 6 classes with unique difficulties. Shop pulls items and rare upgrades. League mode offers 18 factions with football-style ranks.
- 5
Elon Simulator - Spend Like A Trillionaire
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Action and Strategy with VIEWPORT: The A.R.K. Protocol.
Elon Simulator is an immersive Trillionaire Simulator with TONS of fun mechanics and activities. As Elon, you can: Smoke Weed (a lot), Print your own Money, Sell Lithium to Earth for BILLIONS, Make MILLIONS while you sleep in real life, Become a Trillionaire, and TONS more! Made by one dude.
- 6
Slotbound
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy with VIEWPORT: The A.R.K. Protocol.
A roguelike auto-battler defense where luck meets strategy. Spin a 3x3 slot machine to summon units and grow your army by absorbing others. Use Items and Cores to manipulate the odds and survive challenging judgement waves and boss waves. Every spin and every choice counts.
- 7
ELARIENNE
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy and Simulation with VIEWPORT: The A.R.K. Protocol.
ELARIENNE is a defense game built on meticulous calculation and hardcore strategy. A single stroke of luck may shift the tide, but it is the carefully constructed strategy that ultimately decides the battle. Withstand relentless waves and protect the heart of the world of ELARIENNE.
- 8
Astro Mining
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Action and Strategy with VIEWPORT: The A.R.K. Protocol.
Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.
- 9
Politiks - Satirical Roguelite Deckbuilder
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Strategy and Simulation with VIEWPORT: The A.R.K. Protocol.
Become a corrupt politician in this satirical deck-builder where you manipulate voters, sabotage rivals, and pocket campaign funds to win at any cost. Debates with rock-paper-scissors, deliver speeches by spinning roulette, and handle budgeting by ignoring the people's needs.