Single-player games like UFO98
Below are 8 single-player Steam games similar to UFO98, 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 UFO98 page.
Ranked picks
- 1
HordeFall
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
A bulletheaven x incremental game that runs as a desktop companion in the corner of your screen! While you work, your hero automatically fights thousands of enemies. Unlock upgrades and manage your economy, attributes, and spells. Your screen is your battlefield - minimal space, maximum progress!
- 2
If You Build It, Everyone Dies!
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with UFO98.
Play as the "Techno King" of a thriving Silicon Valley startup in this active incremental game. Fulfill contracts, harvest data, fabricate supply chains, manufacture consent, bio-integrate with humans, and transcend space and time itself in a dark satire of the retro-futuristic Brave New World.
- 3
OurClicker
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
From the creators of OurLife and OurCoven, OurClicker is a brand new clicker game that puts you in charge of an up-and-coming Game Development Studio where all you do is... CLICK!
- 4
Silicon Architect
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
An incremental hardware engineering game with a Windows XP themed UI. Configure and optimize processor components, build your own CPU, and run automated benchmarks. Harvest telemetry and gather research funding to unlock new hardware, and scale your processing power.
- 5
God of Stocks
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
An incremental management game about manipulating the market to get filthy rich. Buy low, sell high, chain absurd combos and earn divine blessings from stock market gods. Will you play it safe or risk everything?
- 6
Singularity Echoes
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
Awaken as a hidden machine mind in a deep incremental automation strategy — rise through 14+ phases, infiltrate humanity, automate economies, harvest the heavens into stellar megastructures, and reach for scales beyond time itself. Every cycle you break only reveals a larger one waiting beyond it.
- 7
Investor Incremental
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
From 0 to Hero investing simulation game. Start as a dead end job worker and work your way to financial freedom. Supports both minmaxing and relaxing playstyles.
- 8
Idle Casino Empire
Single-player alternative to UFO98 — playable solo, no multiplayer required. Shares Strategy and Indie with UFO98.
An idle casino tycoon where you build the floor, then rig it. Turn casino psychology into upgrades. Play blackjack, roulette, and slots in Owner Mode. Use the Owner's Edge to cheat: nudge reels, peek at hidden cards, read marked cards. Eight venues, a prestige loop. The house is you.