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Ostallian Core

Also known as Ostallian Core, oc, ostallian core

A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.

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Last update
22 May 2026
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Latest update
Patch notes

v1.1.0Ostallian Core: Galaxy AI Invasion Returns! Patch 1.1.0

Patch Notes Release 1.1.0 The following changes were implemented: Improvements New stage: "The Colonized Moon." Added story-related quest objectives with different features required to complete the level, making the gam…

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Latest updates

Update history

Browse past updates and patch notes for this game.

2updates

Gallery

In-game media

Achievements

Community progression

Top picks from 36 Steam achievements, sorted by player unlock rates.

  • CarefulFinish a level without loosing any hull integrity72.2%
  • The BeginningFinish the stage "The Outer Rim"47.2%
  • HardyMax out hull upgrades36.1%
  • NebulousFinish the stage "The Nebular"33.3%
  • Coordinates to the nebularFind all stage coordinates to the Nebular19.4%
  • Sharp teethMax out weapon slots19.4%