Overview
Besides a few exceptions almost all of them only work from the 2nd stage onward. For example if you make yourself Beetle Guard you’ll either need a mod to skip a level or a friend to help out. Some however do work from the get go it’s just trial and error for which ones do and don’t. Also the numbers do not go past 102 as of now.
IDs
with Fancy Text for ease of access.
[0] = AltarSkeleton
[1] = AncientWisp
[2] = ArchWisp
[3] = ArtifactShell
[4] = Assassin
[5] = BackupDrone
[6] = BackupDroneOld
[7] = Bandit2
[8] = Bandit
[9] = Beetle
[10] = BeetleCrystal
[11] = BeetleGuardAlly
[12] = BeetleGuard
[13] = BeetleGuardCrystal
[14] = BeetleQueen2
[15] = Bell
[16] = Birdshark
[17] = Bison
[18] = Bomber
[19] = Brother
[20] = BrotherGlass
[21] = BrotherHaunt
[22] = BrotherHurt
[23] = Captain
[24] = Clay
[25] = ClayBoss
[26] = ClayBruiser
[27] = Commando
[28] = CommandoPerformanceTest
[29] = Acrid
[30] = Drone1
[31] = Drone2
[32] = ElectricWorm
[33] = EmergencyDrone
[34] = Enforcer
[35] = EngiBeamTurret
[36] = Engineer
[37] = EngiTurret
[38] = EngiWalkerTurret
[39] = EquipmentDrone
[40] = ExplosivePotDestructible
[41] = FlameDrone
[42] = FusionCellDestructible
[43] = Golem
[44] = GolemInvincible
[45] = GrandParent
[46] = Gravekeeper
[47] = GreaterWisp
[48] = HAND
[49] = Hauler
[50] = Heretic
[51] = HermitCrab
[52] = Huntress
[53] = Imp
[54] = ImpBoss
[55] = Jellyfish
[56] = Lemurian
[57] = LemurianBruiser
[58] = Loader
[59] = LunarExploder
[60] = LunarGolem
[61] = LunarWisp
[62] = Artificer
[63] = MagmaWorm
[64] = MegaDrone
[65] = Mercenary
[66] = MiniMushroom
[67] = MissileDrone
[68] = Nullifier
[69] = Paladin
[70] = Parent
[71] = ParentPod
[72] = Pot2
[73] = PotMobile2
[74] = PotMobile
[75] = RoboBallBoss
[76] = RoboBallGreenBuddy
[77] = RoboBallMini
[78] = RoboBallRedBuddy
[79] = Scav
[80] = ScavLunar1
[81] = ScavLunar2
[82] = ScavLunar3
[83] = ScavLunar4
[84] = ScavSackProjectile
[85] = Shopkeeper
[86] = Sniper
[87] = Spectator
[88] = SpectatorSlow
[89] = SquidTurret
[90] = SuperRoboBallBoss
[91] = TimeCrystal
[92] = Titan
[93] = TitanGold
[94] = MUL-T
[95] = Rex
[96] = Turret1
[97] = UrchinTurret
[98] = Vagrant
[99] = Vulture
[100] = VultureEgg
[101] = Wisp
[102] = WispSoul