* Sound effects
  * Compressed wave sounds (?)
  * Numeric sounds (?)
* Game engine features
  * String data (partially implemented)
  * A ,PopUp command to use a popup with arguments starting from a mark
  * Returning a class from COLLIDE/COLLIDEBY to transform
  * Possibility to define auto-generation levels mode
* Editor
  * Mouse dragging
  * Level index editor
* Deal better with allowing to skip past corrupted levels
* Picture editor/loading
  * Allowing more altimages
  * Batch insert multiple dependent image lumps
* Puzzle set catalog format (using with internet; a separate program)
* Inventory/replay hybrid view
* Scrollable playfield view
  * Auto scroll option (using Player flag)
  * Configurable auto scroll option
  * Manual scroll option
* Bookmarks
* Message trace menu to enable/disable
* Bugs
  * Figure out why the $SeekerCloser class doesn't seem to work properly
  * Level 232 of SUPERHRO puzzle set (the Lava shouldn't expand? why?)
  * Animation stopping unexpectedly (until a key is pushed)
  * ObjLF.Volume+ObjRF.Volume+obj.Volume if ObjLF and/or ObjRF doesn't exist?
* Display solution comments/timestamp
* VCR mode
* Command-line switch for batch export levels
* SQL
  * Implement the GROUP column in the CLASSES table
  * Allow multiple SQL statements in one binding
* Fonts/text
  * More code pages
  * Large fonts (possibly: width 8 or 16, height 8-32)
  * Multibyte encodings (e.g. EUC-JP)
* Branching replay recording
* Slow movement displaying state between triggers
* Warning if file changed when uncommited data exists in the cache database
* Cache database option to be keyed by hash
* Composite puzzle set format (implemented)
  * Optional hypertext help
  * Compressed class definitions (?)
* Option to auto display level titles
* Option to use a separate solution file
* Multiuser scoring within one computer system (optional capability)
* Testing
  * Bizarro world
  * Connection movement (it is partially tested, already)
  * Sweep, SweepEx, HitMe
  * Overriding order of execution (partially tested)
* Conversion from other games
  * DOS Hero Hearts
  * Berusky
  * PC Wanderer
  * Escape
  * Chroma
  * Xsok
  * PuzzleScript (limited; not everything is or will be capable)
  * Sokoban
  * Puzzle Boy
  * Pitman/Catrap
