Preservation & Reference
Game Preservation Databases
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MobyGames - Irem Corporation
Company page with full catalogue listing, platform coverage, and contributor-verified data.
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LaunchBox GamesDB - R-Type
Box art, screenshots, banners, and metadata for the R-Type series.
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GameFAQs - R-Type Guides
FAQs, walkthroughs, and strategy guides for R-Type across all platforms.
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Internet Archive - Irem Arcade
MAME ROMs, screenshots, manuals, and preserved arcade materials.
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Hamster Corporation - Arcade Archives
Official Arcade Archives re-releases including R-Type (M72 version) on Nintendo Switch and PS4.
Wikipedia Articles
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Irem - English Wikipedia
Company history, founding timeline, corporate restructuring, key releases.
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R-Type - English Wikipedia
Development, Force device mechanics, Bydo lore, all home ports, critical reception.
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Kung-Fu Master - English Wikipedia
Beat ‘em up origin, Jackie Chan connection, NES port, historical significance.
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Moon Patrol - English Wikipedia
Parallax scrolling innovation, Williams Electronics distribution, reception.
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In the Hunt - English Wikipedia
Kazuma Kujo design credit, Nazca Corporation connection, Metal Slug origins.
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R-Type III - English Wikipedia
Force type system, Tamtex development, Ikuko Mimori composition, reception.
Retro Gaming References
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Hardcore Gaming 101 - R-Type Series
Long-form series retrospective covering all R-Type entries with screenshots and analysis.
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Shmups.com - R-Type Coverage
Community-maintained shmup database with R-Type scoring, strategy, and discussion.
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The Arcade Flyer Archive - Irem
High-resolution scans of original Irem arcade promotional flyers.
Fan Communities
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r/shmups - Reddit
Active shoot ‘em up community with regular R-Type discussion, high score sharing, and newcomer guides.
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Shmups Forum (System11)
Long-running shmup community with dedicated R-Type threads, scoring, and preservation discussion.
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Retro Community Network
The network hosting this site - fan tributes to retro studios from the 1980s and 1990s.
Granzella (Post-Irem)
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Granzella Inc. - Official Site
Studio co-founded by Kazuma Kujo after Irem Software Engineering's 2011 game development exit. Working on Disaster Report 4 and successors.
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Nazca Corporation - Wikipedia
The company formed by departing Irem employees in 1994 that created Metal Slug for SNK.
Arcade Hardware Reference
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System 16 - Irem M72 Hardware
Technical documentation of the Irem M72 arcade board - chip list, specifications, and games.
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MAME - Multiple Arcade Machine Emulator
Open-source arcade preservation emulator. Irem M52, M62, M72, M82, M84, and M92 all supported.
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MAME Wiki - Irem M72 Driver
Technical driver documentation for the M72 board in MAME, including ROM sets and hardware notes.