I wrote this ages ago and found it on my PC just now. Just posting for anyone who might want it.
Code:
D100 Type Name Effect
1 Minor Gills Allows character to breath underwater.
2 Minor Webbed feet Gives a +3 misc modifier to swim checks.
3 Minor Oily skin Can not be grappled.
4 Minor Scaly skin +2 misc AC modifier.
5 Minor Thin fur -2 to cold damage.
6 Minor Large feet +2 to Balance checks.
7 Minor Fangs Gives extra bite attack (Dam - 1D6-2 Critical-20).
8 Minor Claws Gives extra claw attack. (Dam - 1D3+1 Critical-20).
9 Minor Strong bones 1D3 damage reduction against crushing attacks.
10 Minor Minute stature Counted as "Small" creature.
11 Minor Huge stature Counted as "Large" creature.
12 Minor Red eyes Character can choose to see infra-red radiation.
13 Minor Snake tongue +2 to spot checks when concerning smelling.
14 Minor Sticky hands +2 to climb checks.
15 Minor Sacs Gives extra spit attack (Dam - 1D3+2 Splash damage -2 Critical-20). Once every 3 days only.
16 Minor Enhanced smell +2 to tracking-related rolls.
17 Minor Ape-like fists +2 to melee attacks with fists.
18 Minor Yellow eyes Character can choose to see pheromones as different colours.
19 Minor Suckered hands and feet +3 to climb rolls.
20 Minor Tail +3 to balance checks.
21 Minor Golden tinted skin +2 to Charisma based checks.
22 Minor White eyes Character can choose to see ultra violet radiation.
23 Minor Sensitive +2 to all spot, check, and locate trap rolls
24 Minor Partly hollowed bones Halve characters weight.
25 Minor Needle nails Gives extra poison attack. (Primary Dam - 1D6-1 Secondary Dam - 1D3+1Critical-20). Once every 3 days only.
26 Minor Large ears +2 to listen checks.
27 Minor Large eyes +2 to spot checks.
28 Minor Acid blood Opponent takes D3 splash damage if you take damage from a hit.
29 Minor Bulging veins +2 to Intimidation rolls.
30 Minor Ink pouch Allows ink to be squirted out and blind nearby people, if underwater a 3ft radius area is showed.
31 Minor Fire Proof -2 to heat damage.
32 Minor Springy Mussels +2 to Jump.
33 Minor Chameleon skin +2 to Hide.
34 Minor Radar senses Allows spot checks though solid objects.
35 Minor Feline ears +2 to listen.
36 Minor Flexible tongue Ability to manipulate small items with tongue.
37 Minor Streaking lungs -3 to listen checks and Initiative to all within 100ft.
38 Minor Thin fingers +2 to open locks.
39 Minor Slight Photosynthesis Can go for 1 week without food with no penalties.
40 Minor Grounded -2 to electrical damage.
41 Major Irresistible charm +1 to Charisma.
42 Major Back sack Can carry 1/3 of max load on skin flap on back.
43 Major Back eyes Can see behind them equally well as forward.
44 Major Fire link Elemental control - Fire.
45 Major Re-located limbs Limbs moved to new locations (gain Frightful presence feat automatically).
46 Major Large brain +1 to Intelligence.
47 Major Crab claws One or both hands changed to crab claws (Dam - Strength /3 (rounded up) +1.
48 Major Fat nerves +2 to Initiative.
49 Major Half elf +1 to Charisma.
50 Major Big eyes + 2 to sight based checks and +1 to Initiative.
51 Major Quick hands +5 to melee attack bonus.
52 Major Advanced recall +1 to Wisdom.
53 Major Alloy skin +3 to AC (natural).
54 Major Earth link Elemental control : Earth.
55 Major Photosynthesis Does not need to eat. But needs mineral water and sunlight.
56 Major long legs Double Leg length, counts as Large creature, no penalties.
57 Major Incredibly thin body +1 to Dexterity.
58 Major Knife arms One or both arms replaced by a blade (Dam - 2D6 Critical 19-20)
59 Major RAD proof Not affected by any radiation.
60 Major Ork blood +1 to Strength.
61 Major Short legs Half Leg length, counts as Small creature, no penalties.
62 Major Fast learner +1 to Intelligence.
63 Major Sensitive eyes +5 to Ranged attacks.
64 Major Wide body +1 to Constitution.
65 Major Shell +4 to AC (natural).
66 Major Fast minded Craft times halved.
67 Major Water link Elemental control: Water
68 Major Hypnoses eyes +5 to all Charisma skills (once per day)
69 Major Small wings Can fly 30ft per day only.
70 Major Druidic +1 to Wisdom
71 Major Featureless Has no distinctive features eg no finger prints.
72 Major Enhanced arm muscles +1 to Strength.
73 Major Clear Skin +5 to Hide.
74 Major Web Can create a sticky 10ft square web net.
75 Major Metallic Bones +1 to Constitution.
76 Major Electrical senses Can hear radio waves and see radiation.
77 Major Thick fur -5 to cold damage.
78 Major Quad Jointed +3 to Dexterity.
79 Major Explosive Death When HP = -10 Character explodes dealing 1D10 to all other Characters within10ft.
80 Major Electrical link Elemental control: Electricity
81 Overt Death Brawl Character can carry on as normal until -10Hp when they die. -1 onward character becomes frenzied.
82 Overt Multi armed 4+ Arms (max 8)
83 Overt Multi legged 4+ Legs (max 8)
84 Overt Cloning Has ability to make temporary self clone. Lasts for one day. Can only be done once every two days.
85 Overt Bullish +2 to both Strength and Constitution.
86 Overt Nitro death When HP = -10 Character explodes dealing 5D10 to all other Characters within 20ft.
87 Overt Fire Breath Breath cone (Fire Dam 5D8 + 3D4 until extinguished).
88 Overt Many eyes +5 to Initiative and all sight skills.
89 Overt Linked Elemental control: All.
90 Overt Spiders legs +20 to climb.
91 Overt Frost Breath Breath cone (Cold Dam 2D10 + 1D6 for 3 turns).
92 Overt Eleven blood +3 Charisma
93 Overt Electrical strike Deals 3D10 Electrical touch damage.
94 Overt Polymorph Can change into any animate or inanimate object and copy statistics.
95 Overt Long lived +2 to Wisdom and Intelligence.
96 Overt Wings Can Fly.
97 Overt Twin heads Character has two heads both with different personalities.
98 Overt Force shield Allows Character to create an AC 5 shield once per day. Lasts for 20 minutes.
99 Overt Earth strike Deals 3D10 touch damage. Causes opponent to blast back D10 metres x level.
100 Overt Players Choice Player chooses effect with DM's guidance.