The games on Amigas AND on Cloanto Amiga Forever emulator I find the most addictive include:
a. Fastram 'DOZER' (demo in an Amiga format AF58 1994 - 100 level disk available back then for £5/shared by me as .adf often on WinMX/Soulseek).
b. All of LEMMINGS, although some of Christmas ones were a bit ropey.
c. CADAVER - both games plus 3 magazine demos.
d. KNIGHTMARE plus 3 magazine demos.
e. All of DIZZY adventure games.
f. MONKEY ISLAND 1 & 2.
g. INDY/ATLANTIS.
h. GODS.
i. HEAD OVER HEELS.
j. BATMAN THE CAPED CRUSADER - both parts (although the Commodore C64 version played/ran better).
k. RICK DANGEROUS 1 & 2.
l. MAGIC POCKETS.
m. TIMEKEEPERS - both games.
Although annoying at times, I like a bit SIMON THE SORCEROR and originally bought PCs from 1996 to play 3D LEMMINGS-SIMON THE SORCEROR 2.
Only decent PC games I have bought/play are MONKEY ISLAND 3 & 4 and INDY/INFERNAL MACHINE (follow up XBox developed PC INDY/EMPEROR'S TOMB is too bad in places).
These were for me so addictive that every couple of years I took a year or two out from work to play them as they were more fun.
