Omega Omega
Engines
Tier 1 

Silent DP Engine 35 20 
Tier 1 

Silent Filter Engine I 10 300 25 
Tier 2 

Silent DP Engine II 55 55 
Tier 2 

Silent Filter Engine II 20 950 35 
Tier 3 

Silent DP Engine III 70 90 
Tier 3 

Silent Filter Engine III 30 1600 45 
Chassis
Tier 1 

BottomHeavy Chassis 405 95 25 30 
Tier 2 

BottomHeavy Chassis II 1170 230 40 65 
Tier 3 

BottomHeavy Chassis III 1870 350 50 100 
Tier 3 

BottomHeavy ES Chassis 870 70 300 70 130 
Armors
Tier 1 

Medium Rolled Riveted Armor 60 20 
Tier 1 

Medium Cast Riveted Armor 65 65 20 
Tier 1 

Medium Composite Wedge Armor 175 5 
Tier 1 

Medium Tempered Upgraded Armor 125 25 30 
Tier 2 

Medium Rolled Riveted Armor II 190 55 
Tier 2 

Medium Cast Riveted Armor II 175 240 50 
Tier 2 

Medium Composite Wedge Armor II 360 10 
Tier 2 

Medium Tempered Upgraded Armor II 255 50 45 
Tier 3 

Medium Rolled Riveted Armor III 320 95 
Tier 3 

Medium Cast Riveted Armor III 285 415 80 
Tier 3 

Medium Tempered Upgraded Armor III 370 70 55 
Tier 3 

Medium Composite Wedge Armor III 540 15 
Shells From game version 1.9.7.55
Tier 1 
Level 3 
HECR (L) 37050 
Range  1290 
Tier 2 
Level 4 
HECRBC (L) 112514545 
Range  1290 
Tier 3 
Level 4 
HECRCBC (L) 168521560 
Range  1290 
Tier 3 
Level 6 
Paired CRCBC (L) 1875215105 
Range  1290 
Tier 3 
Level 4 
QFAT Mag (M) 180542590 
Range  1250 
Tier 3 
Level 6 
Paired CFS HEAT (M) 965690160 
Range  1250 
Tier 1 
Level 1 
Heavy HESHF (M) 28515 
Range  990 
Tier 2 
Level 1 
Modified Heavy HESHF (M) 100555 
Range  990 
Tier 3 
Level 3 
Modified FSHESHF (M) 187510570 
Range  990 
Tier 3 
Level 3 
FSHESH Mag (M) 1235375100 
Range  990 
Tier 3 
Level 6 
Smart HESH Missile 1565415225 
Range  990 
Illustration :
Main Illustration
How to unlock:
Terrain performance based on chassis and engine bonus
Warning : This is only an approximation and a workinprogress.
 Some metal maidens may have more than one type of engine/chassis and therefore can not accumulate all the bonuses from theirs engines/chassis at the same time.
 You also have to take into account the range of the ammo available for your metal maiden for each terrains
Dirt streets
Adequate equipment : 2 out of 3
 Detection
Missing: [w proof]
Rocky streets
Adequate equipment : 1 out of 3
 Armor
 Targeting
Missing: [w proof] [tires] [light]
Snow streets
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [tires] [light] [c proof]
Grass forest
Adequate equipment : 1 out of 1
Missing: [w proof] [tires] [light] [c proof]
Dirt forest
Adequate equipment : 2 out of 3
 Detection
Missing: [w proof] [tires] [light] [c proof]
Rocky forest
Adequate equipment : 1 out of 3
 Armor
 Targeting
Missing: [w proof] [tires] [light] [c proof]
Snow forest
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [tires] [light] [c proof]
Grass hills
Adequate equipment : 0 out of 1
 Evasion
Missing: [w proof] [tires] [light] [c proof] [s proof]
Desert hills
Adequate equipment : 1 out of 3
 Fire resistance
 Evasion
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof]
Desert plains
Adequate equipment : 1 out of 3
 Fire resistance
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Desert valley
Adequate equipment : 2 out of 3
 Fire resistance
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Rocky valley
Adequate equipment : 1 out of 3
 Armor
 Targeting
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Snow valley
Adequate equipment : 2 out of 3
 Damage received
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Grass plains
Adequate equipment : 0 out of 1
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Dirt plains
Adequate equipment : 1 out of 3
 Detection
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Snow plains
Adequate equipment : 1 out of 3
 Damage received
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Crushed ice streets
Adequate equipment : 1 out of 3
 Damage received
 Targeting
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Shoals forest
Adequate equipment : 2 out of 3
 Detection
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Shoals hills
Adequate equipment : 1 out of 3
 Detection
 Evasion
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Muddy snow forest
Adequate equipment : 3 out of 3
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Crushed ice valley
Adequate equipment : 1 out of 3
 Damage received
 Targeting
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Rocky desert plains
Adequate equipment : 0 out of 3
 Armor
 Fire resistance
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
Rocky desert streets
Adequate equipment : 1 out of 3
 Armor
 Fire resistance
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled]
River hills
Adequate equipment : 0 out of 3
 Fire resistance
 Penetration
 Evasion
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled] [moisture counter] [buoyant]
River streets
Adequate equipment : 1 out of 3
 Fire resistance
 Penetration
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled] [moisture counter] [buoyant]
River valley
Adequate equipment : 1 out of 3
 Fire resistance
 Penetration
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled] [moisture counter] [buoyant]
Spore plains
Adequate equipment : 2 out of 3
 Firepower
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled] [moisture counter] [buoyant]
Spore valley
Adequate equipment : 3 out of 3
Missing: [w proof] [tires] [light] [c proof] [s proof] [h proof] [angled] [moisture counter] [buoyant]
Quotes
From  Quote 

Intro  Hmph. Omega's arrived. Bow down, why don't you. Now speak. What do you want me to do for you, inferior being? 
Main screen #1  
Main screen #2  
Main screen #3  
Main screen #4  
Main screen #5  
Main screen #6  
On upgrade  
Preattack #1  
Preattack #2  
Preattack #3  
On attack #1  
On attack #2  
On attack #3  
On attack #4  
On attack #5  
On attack #6  
On attack #7  
Getting hit  
Upon destruction  
Assignation to a squad  
Adding essential equipment #1  
Adding essential equipment #2  
Adding essential equipment #3  
Adding essential equipment #4  
Adding equipment to a slot #1  
Adding equipment to a slot #2  
Adding equipment to a slot #3  
Unequip all gear  
Battle victory #1  
Battle victory #2  
Battle victory #3  
Battle loss  
Fate  I don't need the honor bestowed by humans. You're nothing but a stepping stone on my mission. Though... there aren't many stepping stones I bother remembering the name of. 