RAIDEN COMPARISONTime counted from appearance of 1st enemy until last enemy before pre-boss music kicks in:PC ENGINE: 1:34 -default difficultyARCADE: 2:00 -HARD difficultyGENESIS: 2:34 -PRO difficulty (harder than HARD)SNES: 1:12 -default difficultySNES version wasn't moving super fast and included some slowdown. Appears to have less length.
Confirmed that one of the GENESIS videos I watched was NTSC and not PAL. The GENESIS version scrolls slowly, which should allow more opportunities for waves of enemies, but it's both slower
and less populated.
PC ENGINE version measured was the HuCard and not Super Raiden.
Number of enemies within the period measured above:PC ENGINE: 170ARCADE: 89GENESIS: 89SNES: 62Likely counted extra for SNES, since the playthrough used a powerful weapon which killed many enemies before I could distinguish them from crates/medals. Counted the sounds either way.
I've read several times that the SNES version only runs at 30fps. I can't say for sure, but it sure
looks like it in a 60fps video I watched.
Likely counted fewer than PC ENGINE actually features, because it is so hard to keep up with the constant barrage of enemies filling the screen.
PC ENGINE Raiden still includes the shadow sprites from the ARCADE version! It appears from videos and screenshots that the GENESIS and SNES versions do not include the extra shadows.
PC ENGINE version handles all of this and
still uses sprites for the score/lives/bombs HUD, while the SNES and GENESIS versions put that stuff on a tile layer to try to cut down on sprites even further.
Between the enemies that you can see just died and the ones still flying around the screen, this random scene from the PC ENGINE version
alone features 17% of the total number of pre-boss enemies in the SNES version and 19% of the total number of enemies found in the GENESIS and ARCADE versions. Literally a
single screen from the PC ENGINE version.
In comparisons on various forums and in comments on videos that both attract the best and worst kinds of commentators, you still see console war enthusiasts describe the GENESIS version as "a little blander color, but more of everything" or how "it's the only port that isn't stretched". Obviously that play area window isn't 224 x 256, so no matter what it isn't going to be the arcade perspective and detail at home. If you actually look at the GENESIS version re-sized to 4:3 perspective and compare it to the arcade at 3:4, it's still distorted. Some ways better and some ways worse than the PC ENGINE version. Both the GENESIS and PC ENGINE versions re-proportioned and/or re-drew certain assets to make them look better on a TV screen.
Like too many 16-bit comparisons or casual comments about single versions, most people just talk out their ass and can't even tell what is or isn't going on in gameplay videos or even when they play the games themselves.
Anyhow, if you like action and intensity in shooters and appreciate
only-in-the-arcade far-beyond-the-arcade level of sprite pushing, then the PC ENGINE versions are the only ones to play.