Here is the full list of all 35 Power Rangers: Battle for the Grid achievements.
Reach player level 50
Complete Arcade mode with all 9 characters
Complete Arcade Mode with Gia Moran
Win 10 Ranked matches with any character
Fight in 10 Ranked matches with any character
Reach Gold League
Complete Arcade Mode with Goldar
Reach Silver League
Reach Bronze League
Win 1 Ranked matches with any character
Complete Arcade Mode with Magna Defender
Complete Arcade Mode with Lord Drakkon
Complete Arcade mode with any 5 characters
Complete Arcade Mode with Jason Lee Scott
Complete Arcade Mode with Tommy Oliver
Complete Arcade Mode with Black Mastodon Sentry
Complete Arcade Mode with Ranger Slayer
Complete Arcade Mode with Kat Manx
Get all trophies
Fight in 200 Ranked matches with any character
Fight in 500 Ranked matches with any character
Fight in 1000 Ranked matches with any character
Fight in 30 online matches with any character
Fight in 100 online matches with any character
Fight in 500 online matches with any character
Fight in 1000 online matches with any character
Win 100 Ranked match with any character
Win 500 Ranked match with any character
Reach player level 125
Reach player level 300
Reach player level 700
Reach Platinum League
Reach Diamond League
Reach Elite League
Reach Master League