| Achievement | How to unlock
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| 4-Face Turret Platform | The 4 faced platform is an expander piece for placing other turrets on, arranged in a pyramidal formation.
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| 6-Face Turret Platform | The 6 faced platform is an expander piece for placing other turrets on, arranged in a cubic formation.
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| EMP Turret - Level 1 | The level 1 EMP turret drains its target's energy, slowing it down to three quarter speed.
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| EMP Turret - Level 2 | The level 2 EMP turret upgrade strongly drains its target's energy, slowing it down further to half speed.
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| EMP Turret - Level 3 | The level 3 EMP turret upgrade drains its target's energy so strongly, a shell is absorbed every few seconds.
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| Energy Vacuum Turret - Level 1 | The level 1 energy vacuum turret emits a pulse every few seconds, stopping any target within range for a moment.
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| Energy Vacuum Turret - Level 2 | The level 2 energy vacuum turret upgrade emits a pulse with higher range, damaging and stopping any target in range for a moment.
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| Energy Vacuum Turret - Level 3 | The level 3 energy vacuum turret upgrade emits a pulse, damaging twice and stopping any target in range for a longer moment.
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| Finance Generator Turret - Level 1 | he Level 1 finance generator turret generates funds, providing a $100 bonus at the end of each round.
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| Finance Generator Turret - Level 2 | The level 2 finance generator turret upgrade generates funds, providing a $500 bonus at the end of each round.
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| Finance Generator Turret - Level 3 | The level 3 finance generator turret upgrade generates funds, providing a $2000 bonus at the end of each round.
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| Fortress - Bronze | Complete Fortress track on easy difficulty.
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| Fortress - Diamond | Complete Fortress track on expert difficulty.
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| Fortress - Gold | Complete Fortress track on hard difficulty.
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| Fortress - Silver | Complete Fortress track on normal difficulty.
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| Gateway - Bronze | Complete Gateway track on easy difficulty.
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| Gateway - Diamond | Complete Gateway track on expert difficulty.
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| Gateway - Gold | Complete Gateway track on hard difficulty.
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| Gateway - Silver | Complete Gateway track on normal difficulty.
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| Laser Turret - Level 1 | The level 1 laser turret fires a single laser shot.
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| Laser Turret - Level 2 | The level 2 laser turret upgrade fires a double burst shot, effectively laying down twice the damage.
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| Laser Turret - Level 3 | The level 3 laser turret upgrade fires a high velocity pulse with a long recharge time, eliminating a single target shell from anything in it's path.
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| Photon Pulse Launcher Turret - Level 1 | The level 1 photon pulse launcher turret fires a slow moving charge, creating splash damage on impact.
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| Photon Pulse Launcher Turret - Level 2 | The level 2 photon pulse launcher turret upgrade fires a fast moving charge, creating double splash damage on impact.
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| Photon Pulse Launcher Turret - Level 3 | The level 3 photon pulse launcher turret upgrade fires long range seeking missiles.
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| Plasma Beam Turret - Level 1 | The level 1 plasma beam turret fires a high energy continuous beam, ripping through target shells.
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| Plasma Beam Turret - Level 2 | The level 2 plasma beam turret upgrade fires a continuous high energy beam, that jumps up to twice on impact.
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| Plasma Beam Turret - Level 3 | The level 3 plasma beam turret upgrade fires a continuous high energy beam, that jumps up to 5 times on impact.
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| Plastic Pulse Turret - Level 2 | The level 2 plastic pulse turret fires a charge that bounces off surfaces, expiring after 6 contacts.
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| Plastic Pulse Turret - Level 3 | The level 3 plastic pulse turret fires a charge that bounces off surfaces, expiring after 6 contacts with double damage.
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| Plastic Pulse Turret -Level 1 | The Level 1 plastic pulse turret fires a charge that bounces off surfaces, expiring after 3 contacts.
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| Reactor - Bronze | Complete Reactor track on easy difficulty.
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| Reactor - Diamond | Complete Reactor track on expert difficulty.
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| Reactor - Gold | Complete Reactor track on hard difficulty.
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| Reactor - Silver | Complete Reactor track on normal difficulty.
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| Scramble - Bronze | Complete Scramble track on easy difficulty.
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| Scramble - Diamond | Complete Scramble track on expert difficulty.
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| Scramble - Gold | Complete Scramble track on hard difficulty.
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| Scramble - Silver | Complete Scramble track on normal difficulty.
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| Spiral - Bronze | Complete Spiral track on easy difficulty.
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| Spiral - Diamond | Complete Spiral track on expert difficulty.
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| Spiral - Gold | Complete Spiral track on hard difficulty.
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| Spiral - Silver | Complete Spiral track on normal difficulty.
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| Summit - Bronze | Complete Summit track on easy difficulty.
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| Summit - Diamond | Complete Summit track on expert difficulty.
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| Summit - Gold | Complete Summit track on hard difficulty.
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| Summit - Silver | Complete Summit track on normal difficulty.
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