Ghostbusters: The Video Game

Purchase new upgrades in the start menu with the cash you earn from missions.

Equipment Upgrades:
PKE Meter Scan Improvement - $5,000
PKE Meter Recharge Booster - $8,000
Fast Trap - $5,000
Slam Dunk Trapping - $18,000
Total - $36,000

Plus all the other upgrades to your weapons:

Proton Gun Upgrades:
Blast Stream Focusing - $1,500
Blast Stream Recoil Decrease - $10,000
Boson Dart Supercharge - $12,000
Boson Damage Immunity - $14,000
Total - $37,500

Slime Gun Upgrades:
Slime Blower Force Increase - $3,000
Reduced Slime Consumption - $4,000
Slime Tether Duration - $5,000
Slime Tether Cost Reduction - $8,000
Total - $20,000

Dark Matter Generator Upgrades:
Shock Blast Rate Increase - $11,000
Shock Blast Heat Reduction - $12,000
Stasis Stream Amplifier - $6,000
Stasis Stream Heat Reduction - $9,000
Total - $38,000

Meson Collider Upgrades:
Meson Collider Penetration - $7,000
Meson Collider Accelerator - $10,000
Overload Pulse Accelerator - $8,000
Overload Pulse Enhancer - $10,000
Total - $35,000

I think this achievement may also be glitched (but in a good way) as I managed to get it before buying a few of the Meson Collider upgrades.