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MD Engine

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App ID 3706620
App Type Application
Developer
Publisher Two Black Cats
Supported Systems Windows macOS Linux
Last Changenumber 39354488
Last Record Update 30 September 2026 – 18:14:15 UTC ()
Release Date 7 September 2026 – 13:00:55 UTC ()
❓ 72.75%
28 reviews
6
In-App
🛠️ Game Development 📖 Level Editor 🖼️ 2D 👾 Retro 👾 Pixel Graphics

Create real Sega Mega Drive / Genesis games using drag-and-drop with no coding required. Export ROMs for original hardware, plus Web, Windows, Linux, macOS, Android, iOS, and Linux Handhelds.

Additional Information

This application is excluded from Steam Family Sharing because: This content type cannot be shared

Developer Two Black Cats
ReleaseState released
Publisher Two Black Cats
Exclude from family sharing (exfgls) 6 (This content type cannot be shared)
Store Release Date 7 September 2026 – 13:00:58 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://bsky.app/profile/twoblackcats.jp
https://discord.gg/wBsmQBhERR
https://x.com/twoblackcatsx
https://www.youtube.com/@TwoBlackCatsYB
Primary Genre Game Development (60)
Store Genres Game Development (60)
Steam Release Date 7 September 2026 – 13:00:55 UTC ()
Store Asset Modification Time 27 April 2026 – 17:29:47 UTC () (1777310987)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
osextended macosapplesilicon
review_score 7
review_percentage 84
First seen on SteamDB 28 April 2025 – 02:09:13 UTC (), in changelist #28698033

Supported Languages

12 Languages Interface Full Audio Subtitles
English Yes Yes
French Yes Yes
Italian Yes Yes
German Yes Yes
Spanish - Spain Yes Yes
Japanese Yes Yes
Korean Yes Yes
Portuguese - Brazil Yes Yes
Portuguese - Portugal Yes Yes
Russian Yes Yes
Simplified Chinese Yes Yes
Spanish - Latin America Yes Yes

Tags

🛠️ Game Development 📖 Level Editor 🖼️ 2D 👾 Retro 👾 Pixel Graphics 🎨 Design & Illustration 🔧 Utilities 🏫 Education 💾 Software 🕹 Arcade 📺 Side Scroller 🌸 Anime ☯ Minimalist 🖍️ Cartoony 🕹️ Old School 👤 Singleplayer 🌱 Indie

Assets

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small_capsule
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header_image
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library_assets_full
library_capsule ↴
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image2x/english563ba5b9235d9247c9782fe4d66120ae86df250a/library_600x900_2x.jpg
library_hero ↴
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image/english044bf9f42bdfe85659facce46947e3947a5d95b8/library_hero.jpg
library_hero_blur ↴
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library_logo ↴
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image2x/english400d460d2dd940b6d9fc7e24c60ef3c6e1a5dbf1/logo_2x.png
logo_position/pinned_positionCenterCenter
logo_position/width_pct100
logo_position/height_pct100
library_header ↴
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image2x/englishefaeeb61ae788ac763eba04ba98245bf4bfade18/library_header_2x.jpg
Assets
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community_icon58a7289eae378b72776f8c0ad6b5775115209292.jpg
page_background_pathapp/3706620
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last_modified7 September 2026 – 15:12:53 UTC
timestamp7 September 2026 – 15:12:53 UTC

Trailer 1042229 ↴

trailer_name Trailer
trailer_category 3
microtrailer ↴
video/webm 3706620/1617184642/0d3b449196a190992e08d7e6c18f83d8e0d65ff0/1764704132/microtrailer.webm
video/mp4 3706620/1617184642/0d3b449196a190992e08d7e6c18f83d8e0d65ff0/1764704132/microtrailer.mp4
adaptive_trailers ↴
dash_av1 3706620/1617184642/0d3b449196a190992e08d7e6c18f83d8e0d65ff0/1764704132/dash_av1.mpd
dash_h264 3706620/1617184642/0d3b449196a190992e08d7e6c18f83d8e0d65ff0/1764704132/dash_h264.mpd
hls_h264 3706620/1617184642/0d3b449196a190992e08d7e6c18f83d8e0d65ff0/1764704132/hls_264_master.m3u8
screenshot_medium 257242567/4a55d201d45442e56c2b8afdf697701e46aa9a21/movie_600x337.jpg
screenshot_full 257242567/4a55d201d45442e56c2b8afdf697701e46aa9a21/movie_full.jpg
all_ages true
is_highlight true
timestamp 2 December 2025 – 20:10:46 UTC

Depots

ID Configuration Size DL.
3706621 Windows 554.23 MiB 256.18 MiB
3706622 Linux 586.28 MiB 261.97 MiB
3706623 macOS 549.21 MiB 246.56 MiB

Redistributables

ID Configuration Size DL.
228989 Windows Shared InstallDepot from 228980VC 2022 Redist No size

Total size on disk is 1.65 GiB and total download size is 764.71 MiB.

Total size on disk is 554.23 MiB and total download size is 256.18 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Built Time Updated
public 25586316 28 September 2026 – 19:32:57 UTC 28 September 2026 – 19:32:57 UTC
1.0.0 Stale 1.0.0 branch 25156604 6 September 2026 – 20:43:55 UTC 6 September 2026 – 20:43:55 UTC
macos-intel macos intel version instead of ARM 25583696 28 September 2026 – 17:10:04 UTC 28 September 2026 – 17:10:04 UTC
previous-release The release before default in case of issues 25444597 21 September 2026 – 20:01:50 UTC 21 September 2026 – 20:02:45 UTC
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