Much of this review of Capcom Puzzle World, a collection of five retro puzzle games (a description we'll take issue with later), is going to concern itself with Super Puzzle Fighter II Turbo. There's a simple reason for this: the rest of the games aren't ones we spent much time playing. And there's a simple reason for that, too: they aren't very good.

Super Puzzle Fighter II Turbo, though, is one of the very finest puzzle games ever unleashed. That's surprising, given that all but the most devoted of gamers has never even heard of it. Mixing in a Street Figher-esque fighting approach - right down to character choice - it's a two-player game, so if you haven't got a mate handy with a copy of the game and a PSP, then you'll need to play the computer.

In true puzzle game style, pairs of different coloured blocks fall from the sky and you need to - for instance - try to get all the reds together. Then, if you get a swirling block of the same colour, it'll promptly break them all up and your opponent gets a chunk of them dumped on their side.

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And there are further twists. The obvious one is that chain reactions make your attacks even more brutal. But the less obvious is that any blocks dumped onto your or your opponent's side remain effectively frozen for five goes and only then turn into solid colours that you can destroy. Granted, this can lead to some smashing (literally) chain reactions, but it really can limit your working space. Replete with plenty of strategic decisions to make, that can turn a situation around in one brutal second.

Words, ultimately, can do little justice to how simple and majestic Super Puzzle Fighter II Turbo really is. It's an old cliché, sure, but this one single game really does justify the asking price all by itself.

And good job too, because pretty much everything else has 'filler' stamped on it. Three of the remaining titles are taken up by the Buster Bros trilogy. You may well know them in a more familiar guise as the age-old pseudo-Asteroids spin-off Pang. Now we didn't mind Pang a decade ago, and even the slow evolution across the three titles is mildly interesting. But the games are neither puzzle games per se, nor terribly engaging any more.

The package is rounded out by Block Block, which is your standard bat-'n'-ball Arkanoid-wannabe. Only Arkanoid was and is a lot better. Hmmm.

Capcom Puzzle World is, then, quite a bizarre package. Firstly, by our measure, only one of its constituent five titles could be classed as a puzzler in any meaningful sense. That's also the outright classic to be found here. The remaining four? There's nothing worth digging up from the graves of yesteryear: they're not bad, there's just little reason to catch back up with them again.

One splendid, all-time classic game does the heavy lifting here and is the compelling reason to spend £20. Because the other four are all but forgettable.