PopCap’s game crack is back.

If you have a project to finish or a test coming up, do not play Bejeweled. Don’t even launch it, thinking you can clear your head for 5 minutes before getting back to work. Hours later your stomach is rumbling, you have three missed phone calls, and your legs are asleep.

It’s addictive, you see. Bejeweled 3 will seem instantly familiar to anyone who’s ever matched a gem. While it does have some new modes, we’re not sure they shake things up enough to justify spending another $19.99 on your Bejeweled addiction. Then again, a Bejeweled addict can always justify more Bejeweled.

Butterflies is one of four time-slaying unlockable modes that are sure to make you a total hermit.

Classic mode is the same as before. You swap jewels on an 8x8 grid to line up three or more. They disappear. More fall down. Repeat until you run out of moves. No time limit or rushed feeling of panic. Matching four or five gems—including five in a T or L shape—earns you power-up gems. This mode is a favorite of newbies and nongamers, and it’s as great as ever, including the same, cheesy wormhole animation when you level up, and the same deep, reverberating voice that reminds us of the “Sunday, Sunday, Sunday!” announcer in radio spots for monster-truck rallies.

Lightning mode (seen above) adds a sense of urgency by introducing a countdown clock. As the seconds tick away, “time gems” appear on the board, and clearing them extends your time. It’s fun, but reminded us too much of Blitz mode in Bejeweled 2 for iPhone (or on Facebook). Its 60-second time limit is a pain to play with a trackpad, so bring a mouse.

Quest mode has 40 special puzzles, sprinkled with 11 minigames. If you solve them all,  you “restore the Lost Relics of Bejeweled.” The idea of questing had us rolling our eyes, but the special puzzles are fun.

Speaking of eye rolls, Zen mode is basically the same as Classic, only it’s endless and it includes features to allegedly relax you, such as stress-relieving breath modulation, ambient sounds (seagulls, dude), “positive mantras,” and “binaural beats” that drone over your headphones and are supposed to put your mind in a trance-like (or maybe trance-lite) state for maximum jewel-matching. We...are skeptical. But again, it’s fun. And all those extras can be turned off.

You can unlock four more modes by doing well in the included four. Classic mode unlocks Poker (seen above). When you match gems, the color is transferred to a card in your hand, and you try to make the best poker hand. Zen mode unlocks Butterflies, which has butterfly-shaped pieces that move up one row with every turn. If they get to the top they are eaten by a spider, filling you with a well-earned sense of shame. (Butterfly killer!)

Quest mode unlocks Diamond Mine, a game where half the board is covered in “dirt” that you blast away by (you guessed it) clearing gems. And Lightning mode unlocks Ice Storm, which has columns of ice that push up from the bottom of the board.

Instant Replay is a nice touch for reliving that killer combo you just made, and game-wide badges and rankings keep you motivated to keep playing—as if you weren’t planning to do that anyway.

The bottom line. Bejeweled 3 is as great as any other Bejeweled game, but if you still play another iteration regularly it might not seem new enough. Still, if you have $20 to spare, you’ll get a lot of fun out of it, blissfully color-matching for hours. Don’t say we didn’t warn you (over and over).