(Image credit: Frozenbyte)

Another day, another freebie. There's been a new free game on the Epic Games Store each day since December 18 for the holidays, and today's deal is a four-in-one: the Trine Classic Collection. Not only that, but each game in the collection has been updated so a cross-platform co-op game between a Steam user and an Epic Games Store user is a little less finicky.

Now, when you boot up Trine 1 through 4 on Steam, you'll be prompted to optionally link your Steam and Epic accounts for cross-platform friend invites and achievement progress. The series' headlining feature is its three-player co-op, so this should make playing with anyone who just got the games due to this promotion easier.

Keep up to date with the most important stories and the best deals, as picked by the PC Gamer team.

Justin first became enamored with PC gaming when World of Warcraft and Neverwinter Nights 2 rewired his brain as a wide-eyed kid. As time has passed, he's amassed a hefty backlog of retro shooters, CRPGs, and janky '90s esoterica. Whether he's extolling the virtues of Shenmue or troubleshooting some fiddly old MMO, it's hard to get his mind off games with more ambition than scruples. When he's not at his keyboard, he's probably birdwatching or daydreaming about a glorious comeback for real-time with pause combat. Any day now...

You must confirm your public display name before commenting

Please logout and then login again, you will then be prompted to enter your display name.