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In the Deception Challenge, all enemy units and buildings are permanently invisible, which makes detection units like SODAR Array a must in this challenge. Note that the invisibility cannot be disabled by any means, even by depowering the Epsilon bases.
PsiCorps base deployment situation. Note the Naval Shipyard, which is easy to be ignored.
Several Magnetic Beams are moving through the battlefield, as well as some gravity fields scattering.
There are some stealth Bloatick Tunnels hiding at the central area of map, keep spawning Bloaticks to attack the challengers.
Gravitrons will appear in this challenge.
The Space Commando will patrol at enemy bases.