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Theta and Paralldoxs on Worldlines

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App ID 3219580
App Type Game
Store Name Theta and Paralldox on Worldlines
Developer
Publisher XXela, Delta Theta
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 39434221
Last Record Update 2 October 2026 – 19:33:50 UTC ()
Release Date 4 February 2026 – 07:14:54 UTC ()
❓ 88.93%
288 reviews
31
In-Game
🧩 Puzzle 📦 Sokoban 🧩 Logic ⏳ Time Manipulation 🧸 Cute

A lovely logical puzzle game about the many-worlds interpretation and quantum mechanics.

Additional Information

Developer XXela
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher XXela
Store Release Date 4 February 2026 – 07:14:56 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/nM6vPdMke6
Primary Genre Indie (23)
Store Genres Indie (23)
Steam Release Date 4 February 2026 – 07:14:54 UTC ()
Store Asset Modification Time 18 January 2026 – 13:10:31 UTC () (1768741831)
library_assets
library_capsuleen,zh-cn
library_heroen
library_hero_bluren
library_logoen,zh-cn
library_headeren,zh-cn
logo_position ↴
pinned_positionBottomCenter
width_pct90.45401629802097
height_pct68.23922433433631
osextended empty string
name_localized
schinese茜塔和世界线悖论
review_score 8
review_percentage 97
Detected Technologies Unity Engine, Mono SDK, SteamworksNET SDK, UnityBurst SDK, UnityURP SDK, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 2
  • test_timestamp: 17 February 2026 – 00:00:00 UTC
  • tested_build_id: 21941257
  • steam_machine_tests:
    0 ↴
    display3
    token#SteamMachine_TestResult_DefaultControllerConfigNotFullyFunctional
    1 ↴
    display3
    token#SteamMachine_TestResult_ControllerGlyphsDoNotMatchDevice
    2 ↴
    display4
    token#SteamMachine_TestResult_DefaultConfigurationIsPerformant
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
controllertagwizard Yes
First seen on SteamDB 6 September 2024 – 20:06:07 UTC (), in changelist #25114764

Supported Languages

3 Languages Interface Full Audio Subtitles Achievements
English Yes Yes
Simplified Chinese Yes Yes
Japanese Yes

Tags

🧩 Puzzle 📦 Sokoban 🧩 Logic ⏳ Time Manipulation 🧸 Cute 🤯 Abstract 🫠 Surreal 😌 Casual 🧊 3D 👤 Singleplayer 🌱 Indie 🗺️ Top-Down 💡 Strategy 😓 Difficult 👩 Female Protagonist

Categories

Single-player Steam Achievements Steam Cloud Family Sharing

Hardware Categories

Full Controller Support

Accessibility Categories

Custom Volume Controls Playable without Timed Input Keyboard Only Option Save Anytime Playable At Your Own Pace

Assets

Load all asset images
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header_image
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library_assets_full
library_capsule ↴
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logo_position/width_pct90.45401629802097
logo_position/height_pct68.23922433433631
library_header ↴
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Assets
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community_icon66fb846f4e2483b58721ec68c1b3c45e2bf08afa.jpg
page_background_pathapp/3219580
last_modified19 March 2026 – 06:48:24 UTC
timestamp19 March 2026 – 06:48:24 UTC

Trailer 1064163 ↴

trailer_name Final_EN
trailer_category 3
microtrailer ↴
video/webm 3219580/708515986/ebcb64e1beca6612034ce68f601c187abcd91e03/1768743370/microtrailer.webm
video/mp4 3219580/708515986/ebcb64e1beca6612034ce68f601c187abcd91e03/1768743370/microtrailer.mp4
adaptive_trailers ↴
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hls_h264 3219580/708515986/ebcb64e1beca6612034ce68f601c187abcd91e03/1768743370/hls_264_master.m3u8
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screenshot_full 257257553/f3b3c24f25b2b1e66f5e919724bc42f12482c7a6/movie_full.jpg
all_ages true
is_highlight true
timestamp 18 January 2026 – 14:01:57 UTC

Steam charts

  • 31 players right now
  • 71 24-hour peak
  • 96 all-time peak 8 February 2026
SteamDB.info

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Store data

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 173 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Very Positive
  • 88.93% SteamDB Rating
  • 281 97.6% positive reviews
  • 7 2.4% negative reviews

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How many players are playing Theta and Paralldoxs on Worldlines right now on Steam?

Steam player counter indicates there are currently 31 players live playing Theta and Paralldoxs on Worldlines on Steam.

Theta and Paralldoxs on Worldlines had an all-time peak of 96 concurrent players on 8 February 2026.

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