In Coblyn you explore a cave system in search of diamonds. When you’ve collected enough the exit will be unlocked, giving you the chance to escape with your treasure… if you can reach it in time! Along the way you’ll need to set off avalanches, dig traps for deadly creatures, and tunnel through unstable piles of boulders.
Coblyn comes with 100 levels built-in, and another 200 are available in the Classic Level Pack. Thousands more can be found by searching for level packs in the BDCFF format.
The controls for the game are listed in the Help screen. To get an idea of how to play Coblyn, wait at the main title screen and it will cycle through a set of demo games.
Fullscreen mode was drawing too large on retina displays (macOS 11 Big Sur).
The mouse wasn’t working correctly when running on a retina display (macOS 11 Big Sur).
The macOS Coblyn app is now signed and notarized by Apple, meaning it will run without trouble on recent versions of macOS.
Version 3·2·0 — 14th August 2019
macOS version converted from a 32-bit app to a 64-bit app.
Fixed a problem that could cause the level preview in the Start menu to not draw.
Other small fixes, improvements, and cosmetic changes.
macOS minimum requirement is now 10·7.
Version 3·1·0 — 5th April 2012
Improved the appearance of the boulder (roughened), the diamond (transparency and random sparkles), and the butterfly.
The Start screen now allows the cave and level to be set by pressing the appropriate letter key (for the cave) or number key (for the level).
Bonus caves now become selectable on the Start screen once the preceding cave has been completed at all difficulty levels. For example, bonus cave Q appears after D-1 through D-5 have been completed.
Improved support for BDCFF level packs.
[Windows] Fixed a problem where full-screen mode wasn’t always restored when the app was restarted.
Lots of small improvements and fixes.
Version 3·0·3 — 7th January 2012
Initial release for Windows.
All new graphics.
All new user interface.
The window can be resized any way you like, and the game scales to fit (it also does full-screen).
Improved sound effects.
The built-in level pack has been greatly improved, and now contains 100 levels (up from 20).
Levels are now organized by cave and difficulty.
Added level unlocking. Previously Coblyn started with all levels available, but now you must earn them.
Smoother animation.
Support for caves that wrap from side-to-side or top-to-bottom.
Improved BDCFF support.
Version 2·1·0 — 20th July 2008
Coblyn now records high scores. For each level it remembers the most diamonds you have collected, and the fastest you have completed the level. It also records all your actions while playing the levels, so you can replay them later.
Pressing Command-Return at any time will toggle between full-screen and windowed modes.
Pressing Command-Q while in full-screen mode will quit the game (it always worked when windowed).
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