Defenders of Asteria
Developed by Bastian Germer · Published by Bastian Germer
At a glance
Overview
An indie, strategy game by Bastian Germer, published by Bastian Germer — single-player.
Steam’s own one-line description: “Asteria is under siege! Take up arms as the commander and find the perfect strategy in this hero filled tower defense game. Will you become a Defender of Asteria or fall short?” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Defenders of Asteria.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel i5
- Memory: 4 GB RAM
- Graphics: Intel® HD Graphics 615
- Storage: 2 GB available space
Recommended
- Requires a 64-bit processor and operating system
Supported languages (1)
Defenders of Asteria FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Defenders of Asteria?
Steam classifies Defenders of Asteria as a Indie, Strategy game, developed by Bastian Germer. Asteria is under siege! Take up arms as the commander and find the perfect strategy in this hero filled tower defense game. Will you become a Defender of Asteria or fall short?
Is Defenders of Asteria free to play?
Yes — Steam lists Defenders of Asteria as Free to Play.
Is Defenders of Asteria single-player or multiplayer?
Steam lists these modes for Defenders of Asteria: Single-player. It lists a single-player mode.
Is Defenders of Asteria on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Defenders of Asteria for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Defenders of Asteria out yet?
Yes — Steam lists a release date of Jul 12, 2022.
What platforms is Defenders of Asteria on?
Defenders of Asteria is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Defenders of Asteria single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Defenders of Asteria cost?
It's free to play, per Steam.
Does Defenders of Asteria have achievements?
Yes — Steam lists 15 achievements for Defenders of Asteria.
Who made Defenders of Asteria?
Defenders of Asteria is developed by Bastian Germer and published by Bastian Germer.
Where to get Defenders of Asteria
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Bastian Germer.