Steam app 3498390 · updated 12 Sep 2026, 21:45 UTC
Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.
378 hourly samples, with the daily peak drawn over them. Weekends are shaded.
19 months, March 2025 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 187 hourly samples from 14 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 191 hourly samples. Each dip is a night. Weekends are shaded.
Astroloot was released on 14 Mar, 2025.
| Language | Full audio |
|---|---|
| English | ● |
| German | ● |
| Simplified Chinese | ● |
| Japanese | ● |
| Korean | ● |
| Russian | ● |
| French | ● |
| Spanish - Spain | ● |
| Portuguese - Brazil | ● |
| Spanish - Latin America | ● |
| Traditional Chinese | ● |
A blank audio cell means full audio was not marked in the returned language list.
70 achievements in total.
50 developer announcements, Nov 2025 to Aug 2026 · times in UTC
After about a month in beta and several bugfixes, I feel confident enough to officially release the new multiplayer. Big thanks to everyone testing the beta branch!Co-op with up to 4 playersFluidly join and leave missions as you likeEnemy…
casidHey everyone, I've been rebuilding Astroloot's multiplayer from the ground up, and it is finally ready for a public beta. Multiplayer v2 expands co-op from two players to parties up to four. It also makes playing together more flexible…
casidBugfixesFixed a glitch where the new skills badge was visible at the top after completing the first missionFixed a glitch where the new skills badge was visible during a mission
Patch notes5 New LanguagesTraditional ChineseFrenchSpanish (Spain)Spanish (Latin America)Portuguese (Brazil)Fun fact: The font renderer learned how to render narrow-non-breaking-spaces (used for the thousand separator in French)Skills BadgeMany…
casidBugfixesFixed collision regression for Parasite projectiles on host enemiesFixed increased experience on Chips
Patch notesLost Amethyst ProphecyA new prophecy has been added, where you can obtain the Lost Amethyst. Rumor has it, that it fits right into the Wheel of Fortune...Item ImprovementsItems that do not meet the level requirement are now much better to…
casidBugfixesFixed exclusive drop interaction with Octron propheciesMore Damage per Shock on you granted by Voltron's Prison does not scale with Minion Power
Patch notesImprovementsBlack Market can be re-rolled by spending a forbidden egg up to three timesImproved header UI of stash storageOnly allow IME text input while a text field has focus on WindowsStash search also indexes skill effects, like skills…
Patch notesBalancingOnly active Damage Conversions count for Impurity (you have to actually have damage of the element to be converted to apply)Additional Damage Conversions count separately for Impurity (Example: Kinetic Damage to Explosive & Kinetic…
casidGraphics Compatibility & RecoveryRun with OpenGL renderer as fallback if ANGLE renderer fails to loadRenderer can now be changed in display settings (requires an app restart)Game settings have been changed from binary to text-based…
Patch notesHotfixed the "enemies are shooting long after their death" regression (that was a bit too much bullet hell, sorry!)
Patch notesAstroloot joins Steam Bullet Fest! Astroloot is available at 20% off during the event. If you've been waiting for the right moment to jump in, now is a great time. The massive Weaver of Fate content update launched just last Friday, adding…
casidBugfixesFixed Modder missions sometimes failed to complete when "unique monsters appear in pairs" is activeFixed Relic Engine Reward to contain Annihilator and ensured we don't miss future new enginesFixed another bug where one Weaver could…
Patch notesBugfixesFixed enemy death projectiles dealing no damage after last updateCrafting Destiny Dice preserves implicit Sector modifiers
Patch notesBugfixesSpider legs can now be damaged by RadiationFixed Necroblast damage conversion double dippingFixed base of Glitch0x9 (it is an Engine, not a Shield)Fixed guaranteed prophecy affixes on additional sector drop chances
Patch notesDeep within the Astroloot Sector, the Weaver of Fate spins threads that decide what will, and what will not, come to pass. Survive, and you may fulfill prophecies… and shape your loot into something inevitable.…
casidVersion 0.8 launches on June 5 at 7:00 PM CEST. Weaver of Fate Added The Web of Fate, a new Rank 7 endgame Sector with a multi-stage Pinnacle Boss fight The Weaver drops Prophecy Loot Boxes, which grant Sectors with a Prophecy Affix…
casidBugfixesAttempt to fix ANGLE loading crash, when Windows user name contained non-ASCII characters
Patch notesBugfixes & ImprovementsFix sparks + boomerang interactionFix lost quest item glitch, prevent opening missions while holding a quest itemAlways show Multicrit if Leprechaun is allocated
Patch notesThe Weaver of Fate Arrives June 5thDeep within the Astroloot Sector, the Weaver of Fate spins threads that decide what will, and what will not, come to pass.Survive, and you may fulfill prophecies… and shape your loot into something…
casidBugfixes and ImprovementsChange default audio lib to miniaudioImprove local network search by sending a multicast on each available network interfaceEtherstream is affected by Energy gained through Energy FieldGiant is affected by Mass…
Patch notesBugfixesFixed broken screen state when pressing tab / shift-tab on marble machine skill treeFixed Viral Nexus double-dipping on "increased Virus Effect" from Twisted Virus ModsFX Intensity applies to Plutonium Bar and Demon FireIncreased…
Patch notesBetter Endgame Sector UXThe entire endgame sector flow has been redesigned. It now feels faster, more intuitive, and much more natural. What changed?Better default when selecting Missions If no Sector is inserted into the Marble Machine…
casidNecroblast QoLWhen the skill "Necroblast" is allocated, the Hit and AoE tag is added to all minion equipment slotsWhen the skill "Necroblast" is allocated, you now have access to the "Necroblast" power report on the skill…
casidBugfixesWhen completing a mission that can be opened without the Marble Machine (Dojo, Carlo's Memory), another Sector in the Marble Machine Sector Slot is now NOT consumed.Fixed German translation of the Multicrit skill node
Patch notesQoLRight-click can now be used as alternative to ctrl+click for trade and stashRight-click to Dash hint is now shown on tutorial layerDefault key bindings are now localized in all supported languagesGameplay Notifications (Power-Ups, Boss…
casidBugfixesAdded DoT tag to Contagion ModParasites properly inherit the Time of their owner (previously Time granted through Time Field did not apply)Increased size of initial flames a bit further, so that Parasite Flamethrower can damage even…
Patch notesBugfixesFixed remaining cases, where enemies could be knocked back too far into the corrupted area
Patch notesBugfixes and ImprovementsAsteroids cannot travel outside the corrupted areaEnemies can't be knocked back too far into the corrupted areaFixed Parasite Flamethrower: damaging of small hosts is possible againImproved Carlos Memory: Players…
Patch notesBugfixesFixed Twisted Minion support modsFixed Minion Armor on Aurora BulwarkDojo does not grant any loot on completionFull effect of Nuclear Deflection "block 100% nuclear damage" is inherited to Minions via GuardiansFixed thermal color…
Patch notesBugfixesFixed potential stack overflow when equipping Abysswalker in right shield slotFixed Abyss bonus mission completionAdded further logging if native Steam library loading fails
Patch notesStrange new entities known as Modders have appeared across the Astroloot Sector. When destroyed, they drop Boxes filled with powerful Mods, some altered in ways that defy all known rules.And there is a lot more to discover! (full patch…
casidThe Mad ModderStrange new entities known as Modders have appeared across the Astroloot Sector. When destroyed, they drop Boxes filled with powerful Mods, some altered in ways that defy all known rules.See the full list of changes…
casidThe Mad Modder Arrives February 13thStrange new entities known as Modders have begun appearing across the Astroloot Sector. When destroyed, they drop Boxes filled with powerful Mods, some altered in ways that defy all known rules.Main…
casidBugfixesFix skipped simulation frames and random micro stutters in rendererMore Knockback damage multiplier applies before ailmentsWeapons with radiation chance and no nuclear damage do not count towards radiation stacks estimate
Patch notesMultiplayer Networking UpgradeThe legacy Steam Networking has been replaced with Steam Networking Sockets, significantly improving connection reliability and stability.Important: Multiplayer is not backward compatible with previous…
casidMain Items on Ship SelectionWhile working at the upcoming Aberration Keystone I've been testing many different builds and quite a few times I had to load builds to see what exactly this build was doing until I finally found the one I wanted…
Patch notesFX Intensity SettingThis feature has been requested for a long time. I hope it gives your eyes some relief in the deepest endgame. If anything is still missing or feels off, please let me know.Early Game ImprovementsOnly one Asteroid…
Patch notesBugfixes & ImprovementsBosses fire projectiles at their bounding radius, not from a single positionDeath effects fire projectiles at the bounding radius of the corpse, not from a single positionStash tabs can be clicked while holding an…
Patch notesBugfixes & ImprovementsThe advertised fix for Time on Minions is now actually live in this version. Sorry for that, it went under the wheels as a last minute mess-up before I released 0.6.9.Octron's Tangle now correctly applies its Time…
Patch notesFixed a regression in Critical Strike Chance provided by Chips, that was caused by the changes in 0.6.9.
Patch notesLogarithmic Power Report ColorsSkill Tree power reports (DPS, Max Hit, etc.) now use logarithmic scaling instead of linear scaling.This makes "good" and "very good" nodes easier to spot, even when extreme unreachable nodes exist elsewhere…
casidWinter Season EventThank you for an amazing year of Astroloot Early Access! Your support, feedback, and discussions have made this all possible. Astroloot wouldn't be what it is today without you.Kiki and Carlo are feeling extra festive……
casidPlay in Japanese, Korean, and RussianAstroloot is now fully localized in Japanese, Korean, and Russian, bringing the full experience to more players around the world. Welcome to Astroloot! Have a great adventure!Astroloot…
Patch notesImproved RustblasterKnockback has been reworked in 0.6, but Rustblaster was forgotten.Rustblaster now has Knockback Hits deal 250-300% more Damage. Previously this was 40-60% and only if item level was >= 50.Any existing Rustblaster without…
Patch notesNexus Shards Auto-StashNexus Shard Drops now behave like Dice when clicking on them. They get stashed together with all other Dice Drops when clicking on any of them. You can still ctr+click a Nexus Shard Drop to sell it. No auto-stash of…
Patch notesQoLAdded quadrillion (Qa) and quintillion (Qi) magnitudes for displaying damage numbers. When displaying damage with magnitudes, the game now shows up to two digits.When dropping loot, the system now checks for gaps and inserts loot there…
Patch notesStackable Nexus ShardsNexus Shards with the same Affix now stack like regular Dice. This means there is practically no more limit how many of them you can collect.The game will automatically group and stack your already collected Nexus…
Patch notesBugfixesAurora Bulwarks now spawn before other Minions (this will apply the Aurora's fields to the player and those offensive buffs then through Minion Power to the other Minions)Fixed a critical bug where stashing the 251st Nexus Shard…
Patch notesBugfixesFix crash when allocating a skill node, while having two Chaos Circuits in the Skill TreeSlotfather Mod Level Affix does not become global when used with Minions or ParasitesFix for Plasma Nova and Parasites, now the Nova continues…
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Astroloot.exe | windows | ||
| Launch | bin/Astroloot | linux | ||
| Launch | Astroloot.app | macos |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocal | Astroloot | db.jar |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG