0.9.5.1

0.9.5.1 was released on February 21, 2016.

Changes
11 Brand New Weapons Added:
 * Glock -> M9 -> Desert Eagle (Level 9 Unlock)
 * UZI -> MP5 -> P90 (Level 41 Unlock)
 * M4 -> M16 -> AK-47 (Level 65 Unlock)
 * Portal Gun -> ASHPD (Portal Challenge Unlock)

9 Brand New Challenges and Achievements Added:
 * Dimensional
 * The Cake is a Lie
 * Space-Time God
 * Double Damage
 * Opportunist
 * Mr. X2
 * Bouncy
 * Ricochet
 * Master of Geometry