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
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.
- 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
Cosmos Conquer
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.
The technologically advanced humanity starts looking for other planets to conquer. Now that the Earth is depleted of its resources, we're looking for them elsewhere. The Universe is open for us now - and it cannot hide any secrets. So how will you conquer it?
- 4
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.
- 5
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.
- 6
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.
- 7
Pixel Slayer
Single-player alternative to VIEWPORT: The A.R.K. Protocol — playable solo, no multiplayer required. Shares Simulation with VIEWPORT: The A.R.K. Protocol.
Idle RPG game with infinite fun and endless possibilities
- 8
Becoming Saint
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.
Choose your doctrine and preach across medieval Italy in this real-time strategy roguelike. Gather your diverse cast of followers, venture out to convince and convert new believers, conquer towns, and strive to become a saint in your lifetime—or die trying.
- 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.