Ancient Planet

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App ID	345090
App Type	Game
Store Name	Ancient Planet Tower Defense
Developer	Moonlight Mouse
Publisher	Moonlight Mouse
Supported Systems	Windows macOS
Technologies	Adobe_AIR Engine
Last Changenumber	31044811
Last Record Update	10 September 2025 – 20:50:46 UTC ()
Release Date	3 February 2015 – 08:02:49 UTC ()

😏 78.68%

1k reviews

In-Game

Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!

Additional Information

Developer

Moonlight Mouse

metacritic_name

Ancient Planet

community_visible_stats

Yes

ReleaseState

released

Publisher

Moonlight Mouse

Store Release Date

3 February 2015 – 08:03:12 UTC ()

community_hub_visible

Yes

Primary Genre

Strategy (2)

Store Genres

Casual (4), Indie (23), Strategy (2)

Steam Release Date

3 February 2015 – 08:02:49 UTC ()

Store Asset Modification Time

31 January 2023 – 16:57:42 UTC () (1675184262)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	57.00116686114353
height_pct	100

review_score

review_percentage

Detected Technologies (?)

Adobe_AIR Engine, Adobe_Flash SDK

Steam Deck Compatibility

Steam Deck:
Some in-game text is small and may be difficult to read
All functionality is accessible when using the default controller configuration
This game shows Steam Deck controller icons
This game's default graphics configuration performs well on Steam Deck
SteamOS:
This game runs successfully on SteamOS
category: Playable
steamos_compatibility: Compatible
test_timestamp: 11 September 2025 – 00:00:00 UTC
tested_build_id: 10454441

configuration:

supported_input	other
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	0
non_deck_display_glyphs	0
small_text	1
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	proton-10.0-beta
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	1
hdr_support	0

First seen on SteamDB

19 January 2015 – 13:56:37 UTC (), in changelist #852667

Supported Languages

23 Languages	Interface	Achievements
English	Yes	Yes
Russian	Yes	Yes
Simplified Chinese	Yes	Yes
Spanish - Spain	Yes	Yes
French	Yes	Yes
German	Yes	Yes
Portuguese - Brazil	Yes	Yes
Turkish	Yes	Yes
Korean	Yes	Yes
Japanese	Yes	Yes
Traditional Chinese	Yes	Yes
Ukrainian	Yes	Yes
Polish	Yes	Yes
Italian	Yes	Yes
Hungarian	Yes	Yes
Dutch	Yes	Yes
Vietnamese	Yes	Yes
Greek	Yes	Yes
Romanian	Yes	Yes
Thai	Yes	Yes
Czech	Yes	Yes
Swedish	Yes	Yes
Portuguese - Portugal		Yes

Assets

Load all asset images

clienticon

7bd5c557615ea940136ab39676b8b4ea181ba791

clienttga

184a16ee3edfd53539b7d4f653b0edf1ca164055

icon

e40f0fab098ad1d3ad523b38e0e694d318ac68bf

logo

e89d5ddafd481a5ed35e0d2399188eef1fbf2f9b

logo_small

e89d5ddafd481a5ed35e0d2399188eef1fbf2f9b_thumb

clienticns

d66c2bf26d4f92f20b14fbc9ec2dadac6261b68c

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	57.00116686114353
logo_position/height_pct	100

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	e40f0fab098ad1d3ad523b38e0e694d318ac68bf.jpg
page_background_path	app/345090
timestamp	31 January 2023 – 16:58:40 UTC

Trailers

30514 ↴
trailer_name	Ancient Planet - Gameplay Trailer
trailer_category	0
trailer_480p/video/webm	2036845/movie480.webm
trailer_480p/video/mp4	2036845/movie480.mp4
trailer_max/video/webm	2036845/movie_max.webm
trailer_max/video/mp4	2036845/movie_max.mp4
microtrailer/video/webm	345090/30514/5c57f9f7249397c606bbe1b78667828583d8f03e/1750513226/microtrailer.webm
microtrailer/video/mp4	345090/30514/5c57f9f7249397c606bbe1b78667828583d8f03e/1750513226/microtrailer.mp4
adaptive_trailers/0/cdn_path	345090/30514/5c57f9f7249397c606bbe1b78667828583d8f03e/1750513226/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	345090/30514/5c57f9f7249397c606bbe1b78667828583d8f03e/1750513226/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	345090/30514/5c57f9f7249397c606bbe1b78667828583d8f03e/1750513226/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	2036845/movie.293x165.jpg
screenshot_full	2036845/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1447368181
30317 ↴
trailer_name	Ancient Planet - Greenlight Teaser
trailer_category	0
trailer_480p/video/webm	2036742/movie480.webm
trailer_480p/video/mp4	2036742/movie480.mp4
trailer_max/video/webm	2036742/movie_max.webm
trailer_max/video/mp4	2036742/movie_max.mp4
microtrailer/video/webm	345090/30317/0e23fcba8553d63afa7f13961f3fafe6fef96b5d/1750513224/microtrailer.webm
microtrailer/video/mp4	345090/30317/0e23fcba8553d63afa7f13961f3fafe6fef96b5d/1750513224/microtrailer.mp4
adaptive_trailers/0/cdn_path	345090/30317/0e23fcba8553d63afa7f13961f3fafe6fef96b5d/1750513224/dash_av1.mpd
adaptive_trailers/0/encoding	dash_av1
adaptive_trailers/1/cdn_path	345090/30317/0e23fcba8553d63afa7f13961f3fafe6fef96b5d/1750513224/dash_h264.mpd
adaptive_trailers/1/encoding	dash_h264
adaptive_trailers/2/cdn_path	345090/30317/0e23fcba8553d63afa7f13961f3fafe6fef96b5d/1750513224/hls_264_master.m3u8
adaptive_trailers/2/encoding	hls_h264
screenshot_medium	2036742/movie.293x165.jpg
screenshot_full	2036742/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	1447367963

Depots

ID	Configuration	Size	DL.
345091	Windows Ancient Planet Win	154.93 MiB	137.70 MiB
345092	macOS Ancient Planet Mac	177.48 MiB	143.62 MiB

Total size on disk is 332.40 MiB and total download size is 281.32 MiB.

Total size on disk is 154.93 MiB and total download size is 137.70 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		10454441	1 February 2023 – 17:53:31 UTC

Other

Name	Value
baselanguages	English, German, French, Italian, Korean, Spanish - Spain, Simplified Chinese, Traditional Chinese, Russian, Thai, Japanese, Polish, Dutch, Swedish, Hungarian, Czech, Romanian, Turkish, Portuguese - Brazil, Greek, Ukrainian, Vietnamese
privatebranches	1

Ancient Planet

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

Other