Mega Drive games with achievements:

Title	Achieve-ments	Points	Leader-boards
Last Battle	26	330 (1240)	-
Side Pocket	16	400 (1264)	-
Street Racer	18	300 (496)	-
Strider II	10	270 (1248)	-
Super Tank War	24	400 (660)	1
~Hack~ Streets of Rage 2: Syndicate Wars	37	375 (446)	1
~Homebrew~ Commandos	22	200 (295)	-
Totals: 7 games	153	2275 (5649)	2

Nintendo 64 games with achievements:

Title	Achieve-ments	Points	Leader-boards
California Speed	22	400 (315)	-
Mario Tennis	30	400 (1278)	2
Totals: 2 games	52	800 (1593)	2

SNES games with achievements:

Title	Achieve-ments	Points	Leader-boards
Donkey Kong Country - Competition Edition	34	310 (3269)	67
Dragon Ball Z - Super Butouden	30	400 (654)	-
GunForce: Battle Fire Engulfed Terror Island	18	400 (698)	-
International Superstar Soccer	16	230 (1078)	-
Midway Presents Arcade's Greatest Hits: The Atari Collection 1	10	200 (727)	-
Nosferatu	3	50 (838)	-
Prince of Persia 2 - The Shadow and the Flame	30	400 (1264)	-
Top Gear 2	72	400 (956)	16
~Hack~ Prince of Persia Evolution	30	400 (659)	-
~Hack~ Super Mario World Bros	40	400 (457)	-
~Hack~ Wario Adventure	52	400 (1634)	-
Totals: 11 games	335	3590 (12234)	83

Game Boy Advance games with achievements:

Title	Achieve-ments	Points	Leader-boards
Doom II	34	400 (1436)	-
Driver 2 Advance	22	400 (729)	4
Lode Runner Advance	28	400 (3934)	-
Wolfenstein 3-D	28	400 (1109)	-
Worms World Party	22	400 (2163)	-
Yu-Gi-Oh! Worldwide Edition: Stairway to the Destined Duel	30	400 (675)	1
~Hack~ Pokemon - Orange Version	30	400 (1300)	-
Totals: 7 games	194	2800 (11346)	5

Game Gear games with achievements:

Title	Achieve-ments	Points	Leader-boards
Aladdin	22	400 (620)	-
Mortal Kombat II	24	400 (489)	-
Totals: 2 games	46	800 (1109)	0

Arcade games with achievements:

Title	Achieve-ments	Points	Leader-boards
Mega Man: The Power Battle	12	175 (525)	1
Super Sidekicks 2	20	400 (723)	-
Totals: 2 games	32	575 (1248)	1