Here is the full list of all 24 FORCED: Slightly Better Edition achievements.
Beat 8 time challenges
Beat 8 challenges
Earn a Gold Crystal in a Survival mode
Earn a Silver Crystal in a Survival mode
Complete 10 trials with the Storm Bow
Earn 25 Crystals
Slay Slarth
Complete 10 trials with the Spirit Claws
Earn a Bronze Crystal in a Survival mode
Wrangle with Wrathhoof
Complete FORCED (Good luck!)
Get Graw
Maim Mordar
Hodor. Hodor hodor, hodor... Hodor!
Burst 100 Volatile Swarmer Eggs
Complete 10 trials with the Volcanic Hammer
Complete 10 trials with the Ice Shield
Beat 16 challenges
Beat 25 challenges
Beat 16 time challenges
Beat 25 time challenges
Earn 50 Crystals
Earn 75 Crystals
Earn all crystals from the Survival modes