Steam

Cosmic Cavern 3671宇宙最大の地底最大の作戦

Also known as Cosmic Cavern 3671宇宙最大の地底最大の作戦, cc3, cosmic cavern 3671

Cosmic Cavern was published in July 1980 by Takaya Arita, currently a professor at Nagoya University. This “Tactical Digging Game,” which existed two years prior to Dig Dug as the original sandbox game, has now been dramatically powered up!

Read full announcement Browse all updates Add Discord alerts

Last update

20 May 2026

Original sources

Latest update

AnnouncementPublished 20 Sept 2016

v2.0Update to Ver2.0

Now displays simple play instructions before the title screen is shown. Player now has two pieces of bait when the game starts. Fixed a bug where the Peta becomes buried if it falls down on left or right edge of the scr…

3 changesFixGameplay

Read full announcement

Latest updates

Update history

Browse past updates and patch notes for this game.

15updates

September 2016
Update to Ver2.0Now displays simple play instructions before the title screen is shown. Player now has two pieces of bait when the game starts. Fixed a bug where the Peta becomes buried if it falls down on left or right edge of the scr…Announcementv2.03 changesFixGameplay19 Sept 2016
UntitledAnnouncement11 Sept 2016
August 2016
Updated to Ver1.7Soil colors change at scores of 2,000, 10,000, 50,000 and 200,000 points. After the background color changes, the edges of the soil will be colored yellow when the player moves around them or enemies fall past. When a b…Announcementv1.71 changeGameplay30 Aug 2016
Updated to Ver1.7Soil colors change at scores of 2,000, 10,000, 50,000 and 200,000 points. After the background color changes, the edges of the soil will be colored yellow when the player moves around them or enemies fall past. When a b…Announcementv1.71 changeGameplay30 Aug 2016
UntitledAnnouncement19 Aug 2016
July 2016
Updated to Ver1.3-Fixed a bug where one of the windows remains on screen when the diamond and heart appear at the same time. -The "GAME OVER" window won't be displayed when the player pressed G after they lost. Instead, it will be displ…Announcementv1.31 change1 numericFix22 Jul 2016
Updated to Ver1.3-Fixed a bug where one of the windows remains on screen when the diamond and heart appear at the same time. -The "GAME OVER" window won't be displayed when the player pressed G after they lost. Instead, it will be displ…Announcementv1.31 change1 numericFix22 Jul 2016
Ver 1.2 UploadedFixed a bug where enemies would periodically become active from stunned state after falling while stacked up. (In the near future, we will implement a visual cue to indicate when an enemy recovers from a stunned status…Announcementv1.21 changeFix17 Jul 2016
Ver 1.2 UploadedFixed a bug where enemies would periodically become active from stunned state after falling while stacked up. (In the near future, we will implement a visual cue to indicate when an enemy recovers from a stunned status…Announcementv1.21 changeFix17 Jul 2016
The change points are as follows * Saved setting content except "FULL SCREEN" among the contents. * Added an item of SPEED to OPTION menu, GAME SETTING. I pushed forward the improvement of the game program now to take i…v1.11 changeStore16 Jul 2016
The change points are as follows * Saved setting content except "FULL SCREEN" among the contents. * Added an item of SPEED to OPTION menu, GAME SETTING. I pushed forward the improvement of the game program now to take i…v1.11 changeStore16 Jul 2016

Older updates

Gallery