Originally Posted by Legerdemain
Lemmings gets some cut graphics in the intro... Lemmings 2 suffers from the clock ticking away at an insane rate, rendering the game unplayable (I have no clue if it is due to the slave or the PAL version, though). Leander gets a rather odd adjustment of the screen... but that is pretty much all PAL games I have tried, having been released in a NTSC version aswell, that doesn't seem to work all that well with the NSTC tooltype.
Lemmings has built-in NTSC-switch key, i think it was <TAB>. And Lemmings 2 too had the same thing if i remember, maybe a different key though.