Here is the full list of all 38 ShineG In The Zombies achievements.
Buy HYDRA for the first time
Buy BFG9K for the first time
Buy LIGHTNING for the first time
Buy EVILEYE for the first time
Buy HUMMER for the first time
Buy BAZOOKA for the first time
Buy WASP for the first time
Buy PENETRATE for the first time
Buy AA18 for the first time
Buy M2K for the first time
Buy M82A7 for the first time
Buy S55B for the first time
Buy M1 for the first time
Buy G6 for the first time
Buy AK for the first time
Bu yL-TAIL-L3 for the first time
Buy L-TAIL-R3 for the first time
Buy L-TAIL-E3 for the first time
Buy L-TAIL-S3 for the first time
Buy L-TAIL-M3 for the first time
Buy L-TAIL-L2 for the first time
Buy L-TAIL-S2 for the first time
Buy L-TAIL-M2 for the first time
Buy L-TAIL-R1 for the first time
Buy L-TAIL-L1 for the first time
Buy L-TAIL-E1 for the first time
Buy L-TAIL-S1 for the first time
Buy L-TAIL-M1 for the first time
Buy M1100 for the first time
Buy L-TAIL-E2 for the first time
Buy SUPER90 for the first time
Buy Uzi for the first time
Buy L-TAIL-R2 for the first time
Buy M97 for the first time
Buy M1887 for the first time
Buy MP6 for the first time
Buy 98K for the first time