Activating this trainer:
If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
NumPad2: Unlimited Movement

Trainer Options:
NumPad1: Unlimited Health
NumPad2: Unlimited Movement
NumPad3: Unlimited Attack
NumPad4: Unlimited Ammo
NumPad5: Unlimited Skill Use
NumPad6: Unlimited Perk Points

Notes:

Unlimited Health: Make one movement, then toggle on WHILE IN COMBAT and all your units will reset health between rounds and each movement.  Wait until you are IN COMBAT before toggle on.

Unlimited Movement: Make one movement, then toggle on WHILE IN COMBAT and you can move unlimited.  Wait until you are in combat to toggle this on.

Unlimited Attack: Toggle on and you can attack unlimited.

Unlimited Ammo: Toggle on and your ammo is unlimited.

Unlimited Skill Use: Toggle on and many skills can be used over and over.

Unlimited Perk Points: Toggle on then try to buy a skill or perk and you have plenty.