

Unnamed Space Idle
Sylv · July 27, 2023 · Idler, Casual, Incremental, Free to Play, Simulation
Unnamed Space Idle is free to play — no purchase needed. We track it so you know if that ever changes.
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Unnamed Space Idle price
Unnamed Space Idle is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.
About Unnamed Space Idle
Unnamed Space Idle is a sci-fi idle game where you customize and upgrade your ship to fight back against an alien apocalypse using salvage, modules, shards, and multiple interconnected progression systems. Strategic decision-making across ten distinct mechanics—from weapon crafting to prestige resets—ensures constant discovery and meaningful choices that directly impact your power and pace of advancement.
Discover over 10 distinct systems, each offering unique mechanics that evolve and expand over time.
- Core - Upgrade your Weapon, Defense and Utility cores with salvage gathered from enemies.
- Compute - Improve your combat stats over time in traditional Idle Game fashion
- Synth - Craft and improve modules and recipes to increase your power in various ways.
- Void Device - Slot in void shards dropped by enemies for different combinations of upgrades.
- Prestige - Unlock different ships, weapons, defenses and utilities.
- Reactor - Feed void matter into your reactor to power various system boosts.
- Research - Harness the research data obtained from different sectors to unlock various upgrades.
- Warp - Warp to special enemy locations to harvest essence for upgrades in a massive tree.
- And More...
Well paced progression combined with the amount of different systems, upgrades and enemies, means something new is frequently just around the corner.
Unnamed Space Idle — game info
- Platforms
- Windows, Linux / SteamOS
- Steam Deck
- Playable
- Player modes
- Single-player
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Gold standard of idle games.1 found this helpful
On balance, this is an almost neutral review. USI is a very, very slow game after the first day or so. This is not a problem in itself. I'm familiar with very long idle games, all the way from when they made it big in the Flash game era, and I still play extremely slow idle games today. The first problem is that USI is boring and uninteresting. There's something about the lack of story, the uneven pacing of new systems, the grind, how long it takes to get set up after prestiging, something else, but it quickly devolves into feeling like a hassle. Again, that's not necessarily a problem, but for me, the bureaucracy has to be counterbalanced with something interesting or meaningful. The second problem is that USI is not player-friendly. There's zero allowance for playing the game outside of how it was intended to be played. Deviate just a little bit, and the game slows down even more drastically. Which is, once again, not necessarily a problem, but it reduces even further how interesting the game is. USI is a middle-of-the-road way to sink your time if you just want something to spend a lot of time on. There are far more interesting and fun incremental games out there, but at the…
Great game. A staggering level of detail and complexity waiting for you to peel it back layer by layer. Are you a min-maxing, meta god? Cool you'll enjoy this. Do you roll with vibes and forget about the game for a few days at times? Also cool, you'll enjoy this. I am.
This is my favourite idle game and one of my favourite games full stop. The level of depth and different mechanics is incredible. Thank you to the developer !!
simple good. reasonable depth.
Great idle game, exactly what you would expect from an idle, has a lot of late game expansions, and always new unlocks even after hundreds of hours.
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