Here is the full list of all 27 HIVE: Altenum Wars achievements.
WIN THE FIRST MATCH
GET 2000 ELO POINTS
KILL 10000 ENEMIES
WIN 100 MATCHES
PLAY MORE THAN 100000 SECONDS
ACHIEVE 10000 ASSIST
DIE 10000 TIMES
ACHIEVE A KILLSTRIKE BIGGER THAN 30 KILLS
GET 1800 ELO POINTS
WIN 25 MATCHES
CONQUER 1000 HILLS
KILL 1000 ENEMIES
MORE THAN 10000 SECONDS FLYING
MORE THAN 10000 SECONDS SPRINTING
RECEIVE MORE THAN 10000 DAMAGE POINTS
MAKE MORE THAN 10000 DASHES
ACHIEVE 1000 ASSIST
ACHIEVE A KILLSTRIKE BIGGER THAN 10 KILLS
GET 1600 ELO POINTS
DIE 100 TIMES
ACHIEVE 100 ASSIST
MAKE 100 TELEPORTS
KILL 100 ENEMIES
MAKE 1000 ROLLS
MAKE 100 DASHES ON A SINGLE GAME
CONQUER 1 HILL
ACHIEVE A KILLSTREAK OF 3 KILLS