The top 25 Half-life Alien Selector results of 51 participants. Percentages indicate the frequency of the self-selected participants' top results for Half-life Alien Selector.

#1	39.2%	Headcrab
#2	13.7%	Friendly
#3	9.8%	Nihilinth
#4	7.8%	Houndeye
#5	5.9%	Alien Controller (Xen Master)
#6	5.9%	Barnacle
#7	5.9%	Zombie (Mawman)
#8	2.0%	Alien Transport
#9	2.0%	Bullsquid
#10	2.0%	Chum Toad
#11	2.0%	Gargantua
#12	2.0%	Gonarch
#13	2.0%	Gonome
#14	0.0%	Alien Grunt
#15	0.0%	Alien Slave (Vortigon)
#16	0.0%	Baby Headcrab
#17	0.0%	Ichyosaur
#18	0.0%	Kingpin
#19	0.0%	Pit Drone
#20	0.0%	Shock Roach
#21	0.0%	Shock Trooper
#22	0.0%	Snark
#23	0.0%	Stukabat
#24	0.0%	Tentacle
#25	0.0%	Voltigore