# Cosmic Cavern 3671　　宇宙最大の地底最大の作戦 Summer DB entity ID: c21f0a2e\-5ac5\-495f\-a7ca\-6131cdd74887 Steam App ID: 496980 This project combines graphics by Hiroshi “Mr\. Dotman” Ono, the artist behind such Namco classics as Dig Dug, Xevious, and Mappy, and sound by Yuzo Koshiro , composer of Streets of Rage, The Revenge of Shinobi, and Shenmue, to complete an arrange version in 1980s arcade style\. Like fools, we rely on games offered for our favorite platforms that are published in magazines, but lately, they seem to have all become so simple, demanding too little of the player’s intelligence and creativity\. Now a game has been created that makes us stand up and cry, “Let’s do this\!\!" This quote is from an article announcing Cosmic Cavern\. Cosmic Cavern was published in the July 1980 issue of I/O Magazine in Japan\. As the article illustrates, Space Cavern was extremely addictive because it allowed players to express their imaginations, was densely packed with pure fun, and was highly innovative\. It gained incredible popularity and was ported to a wide range of 8\-bit computers of that era\. In addition to the original version, this masterpiece compiles two arranged versions that modify frustrating parts of the original with modern gameplay, in addition to enhanced features and two\-player co\-op\. That’s three games in one\! Hiroshi "Mr\.Dotman" Ono drew graphocs of these games and many more\. Galaxian ,Cutie Q ,Pacman ,Tank Battalian ,Rally X ,New Rally X ,Galaga ,Bosconian ,Warp & Warp ,Dig Dug ,Pole Position ,Super Pacman ,Xevious ,Mappy ,Pac&Pal ,Pole Position II , Libble Rabble ,Phozon ,Gaplus ,Pacland ,Dragon Buster ,Metro Cross ,Toypop ,Dig Dug II ,Baraduke ,Skykid ## Game information - Type: game - Developer: Mindware - Publisher: Mindware - Release date: Jul 14, 2016 - Coming soon: false - Free to play: false - Parent Steam app: Not collected - Genres: Action, Casual, Indie, Strategy - Categories: Single\-player, Multi\-player, Co\-op, Shared/Split Screen Co\-op, Steam Achievements, Steam Trading Cards, Partial Controller Support, Steam Leaderboards, Remote Play Together, Family Sharing - Platforms: windows - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_dcd3cee0d6419221b3b540a3f1df53b319a3586a\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_29a364c9ccc2cf2ef80a1dd06723a39ea3d2e4ba\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_754ab3b952ef281b9395865f9fe713e9588b7de1\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_7c541856810a001224b351c3869a75321c8586db\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_2e2eaebdd7946c84a73b0f7d79068fc0bcab596d\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_8fe4f4444157878fc61a3ceaef58361b9a4471c8\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_56ee29692fd4d6ed0ec98ee3e212ee4c59d83bc0\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_1e67f9d0a9b161dc7a9b2b04111f493f5b62af1b\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_6c1fcf81bf83284005a671dec201a10c761b8111\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_7d7e7df66a59748da36a5e471a78336474fbe9de\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_96a9eed291dd95b50a54965fe3f24146e98db88e\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_4cc402be5ed390fd0c351b43bea208a4c6570645\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_446002cbc3ce2bb84825047c462a9c36d5349373\.1920x1080\.jpg?t=1740436479, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/496980/ss\_4c04df2dc255ec1bdf4f5c82948351e986d8c80c\.1920x1080\.jpg?t=1740436479 - Price: 499 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: 0 - Steam review count: 22 - Steam positive reviews: 15 - Steam negative reviews: 7 - Steam positive percentage: 68.18181818181819% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/c21f0a2e-5ac5-495f-a7ca-6131cdd74887/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/c21f0a2e-5ac5-495f-a7ca-6131cdd74887/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-24T19:57:04\.362365\+00:00 - Details observed: 2026\-09\-22T12:43:08\.549337\+00:00 - Player count observed: 2026\-09\-22T12:43:09\.912184\+00:00 - Reviews observed: 2026\-09\-22T12:43:09\.57223\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/496980/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/496980/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=496980","reviews":"https://store\.steampowered\.com/appreviews/496980"\},"price":"2026\-09\-22T12:43:08\.549337\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T12:43:08\.549337\+00:00","players":"2026\-09\-22T12:43:09\.912184\+00:00","reviews":"2026\-09\-22T12:43:09\.57223\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"667a600b\-2e50\-4a8f\-81ec\-617924e73d07","catalog":"582a23f0\-0536\-4a27\-9c85\-d29bcf5f2bf5","details":"6325413f\-bb48\-461c\-8af3\-f8d208f972dd","players":"431cc522\-19aa\-4989\-8d0f\-04e830344ba6","reviews":"ac7ccdda\-1423\-4baa\-857e\-8fc2d3ddd6f2"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"c21f0a2e\-5ac5\-495f\-a7ca\-6131cdd74887","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/496980/) · [JSON](/api/v1/games/c21f0a2e-5ac5-495f-a7ca-6131cdd74887)