PowerPC Games?

Sacrifice, Fable and Deus Ex.

 

Unreal Tournament and Quake 1,2 and 3, if you like shooters!

 

The Marathon series (Marathon, Marathon 2: Durandal, and Marathon Infinity) are my all-time hands-down faves. The indie Marathon EVIL which is based on the same engine is pretty darn good too. Sure they're old games and the graphics don't come anywhere close to current standards, but I love 'em.

Also MYST and Riven if you like immersive puzzle-solving stuff. Dated too, but classic in their own ways.

 

Open Arena is another good one, and it's free.
http://www.openarena.ws/smfnews.php

 

Can we have the CPU speed and exact graphics you have? If you want help you need to explain what you have. "iMac G4" can mean any one of the 7-8 different ones that were released ranging from 700MHz to 1.25GHz.

Games I have, love and play on my G4 (see sig) with a Geforce 6200 256MB are as follows:

Oni, Quake 3, Halo 1.5, Battlefield 1942, Command & Conquer General with Zero Hour expansion pack, SpiderMan 2, Ghost Recon, Stubbs the Zombie, The Return of the King, Tony Hawk 2 and True Crime

All those play very smoothly and then I also have Quake 4 but it plays very choppy unless all quality settings are all the way down.

 

Doom 3 and Colin Mcrae Rally are both good.

 

Solarian II

EDIT: I assume Leopard has a classic function, like Panther did?

 

No. Classic died with 10.4 Tiger.

 

Ah, snap! You mentioned Leopard but it didn't click with me at the time. If you want to try the Marathon games you'll have to go with Aleph One in OS X - unless your iMac can dual-boot into OS9 (the native OS of the original versions).

 

anyone know how to run Baldurs gate(1) on Leopard?
i love max pain, halo, doom3, Dungeon Seige, Kotor and a couple of others that dont spring to mind.. NWN is also a classic and runs great

 

To clarify: Tiger was the last OS that shipped with Classic, unless you were on an Intel, and then you never had it.

 

Unless you did some magic and use SheepShaver. www.macintoshgarden.org/ has loads of games on there that have been tested with SheepShaver or BasiliskII for compatibility