Here are some game utilities
Avara
ScoreKeeper
Adds some cool new features to Avara. 236K
Bolo
Map Editor
I assume you edit maps in Bolo with this editor. 48K
C
& C Edit
An editor for Command and Conquer. 118K
Carmagedit
This is an editor for the game Carmagedon. 104K
Character Edit
Pro
Edit characters in the game Reamlz. 377K
Codebook 3.5
Contains cheats for many Macintosh games. 3,722K
Damage
Incorporated Saved Game Editor
Edit your Damage Incorporated saved game files. 128K
Descent
Saved Game Editor
Another editor for saved game files. 262K
DiabloEdit
An editor for the game Diablo. 42K
EV-Edit
Create or edit add-ons for Escape Velocity. 547K
Exile
Editor
Obviously an editor for the adventure game Exile. 275K
Fallout
Character Editor
Edit characters in Fallout. 307K
Glider
Edit
This is an editor for the game Glider. 45K
iNES
Play Nintendo games on your computer. 375K
Internet
Bolo Buddy
Find and play multiplayer Bolo games on the internet. 258K
MacMAME
Multiple Arcade Machine Emulator for Macintosh. 1,366K
Marathon
Object Placement Editor
I guess you can edit maps in Marathon with this editor. 82K
Monkey
Shines Level Editor
This is a level editor for the game Monkey Shines. 67K
OpenGL
Needed to run OpenGL based 3-D games. 4,317K
Quake Finder
Find multiplayer Quake servers on the internet. 516K
Quake 3 Finder
A new utility for finding multiplayer Quake 3 servers on the internet. 290K
Quiver
Another Quake utility; this is a level editor. 1,019K
SimCity
2000 Scenario Editor
Create your own scenarios for SimCity 2000. 142K
Ultima
Character Editor
A character editor for the adventure game, Ultima. 33K
WolfEdit
I believe this is an editor for Wolfenstein 3-D. 461K