=====Difficulty Differences=====
{{ :mgs1:labelled.png?direct&400 |}}

  *Vision difference for guards by difficulty. Very Easy is the same as Easy. 3, 4, 5, and 8 running chaff steps respectively for each difficulty in distance

^Difficulty^Guard Bullet^Turret Bullet^Ration^Rank Up HP Gain^
^Easy|-64|-80|+384|+Full|
^Normal|-96|-120|+256|+Previous Rank|
^Hard|-128|-120|+256|+64|
^Extreme|-128|-160|+256|+0|

^Rank^HP^Boss^
^1|256|Start|
^2|320|Ocelot|
^3|384|Tank|
^4|448|Ninja|
^5|512|Mantis|
^6|576|Wolf 1|
^7|640|Hind-D|
^8|704|Wolf 2|
^9|768|Raven|

====Very Easy====
  *Addition of MP5, Infinite Ammo, Silenced, Fully Automatic Gun. Replaces FAMAS. 

  *Initial load is slower on console

  *RAM Manipulation is impossible

  *No Score Screen

  *Assume Easy otherwise

====Easy====
  *Defeating a boss refills HP completely.

  *Ammunition respawns quickly. 

  *Maximum of 5 rations. 

  *Guards hear noises poorly.

  *Cell Guards - 3

  *Ocelot - 7 Socom, 2 grenades

  *Ninja - 28 hits to hide n' seek, 49 to complete (48 will also do)

  *Mantis - (for Console) 16 (11 to transition) 7 to phase skip (12 hits total if phase skip)

  *Wolf 1 - 5

  *Hind-D - 14 (5 for phase 1)

  *Wolf 2 - 7

  *Raven - 8

  *Rex - 6 & 6

  *Liquid - (assuming 2 throws) 29 to Nice shot! 61

  *Checkpoint Guards 4

  *Liquid Jeep - 16

  *//Phase 1 (Swerve 1)// - 3 
  *//Phase 2 (Tunnel Bumper)// - (2 transition) 2 
  *//Phase 3 (Swerve 2)// - 2 
  *//Phase 4 (Columns)// - (2 transition) 3 
  *//Phase 5 (Side by Side)// - 2 [7 total for phase 4 and 5] 
====Normal====
  *Defeating a boss refills HP in the amount before upgrade. To say it another way, the max **before** upgrade.

  *Ammunition respawns slowly.

  *Maximum of 5 rations. 

  *Guards hear noises normally.

  *Cell Guards - 3

  *Ocelot - 10 Socom, 3 grenades

  *Ninja - 34 hits to hide n' seek, 64 to complete (63 will also do)

  *Mantis - (for Console) 23 (15 to transition) 11 to phase skip (19 hits total if phase skip)

  *Wolf 1 - 6

  *Hind-D - 16 (7 for phase 1)

  *Wolf 2 - 8

  *Raven - 9

  *Rex - 8 & 8

  *Liquid - (assuming 2 throws) 29 to Nice shot! 83

  *Checkpoint Guards 5

  *Liquid Jeep - 21
  -//Phase 1 (Swerve 1)//- 4 
  -//Phase 2 (Tunnel Bumper)// - (2 transition) 3 
  -//Phase 3 (Swerve 2)// - 3
  -//Phase 4 (Columns)// - (2 transition) 4 
  -//Phase 5 (Side by Side)// - 3 [9 total for phase 4 and 5] 
====Hard====
  *Defeating a boss refills HP in the amount of the upgrade.

  *Ammunition respawns slowly.

  *Maximum of 2 rations. 

  *Guards hear noises normally(?)

  *Cell Guards - 4

  *Ocelot - 11 Socom, 3 grenades

  *Ninja - 36 hits to hide n' seek, 64 to complete (63 will also do)

  *Mantis - (for Console) 31 (21 to transition) 16 to phase skip (25 hits total if phase skip)

  *Wolf 1 - 7

  *Hind-D - 17 (7 for phase 1)

  *Wolf 2 - 9

  *Raven - 10

  *Rex - 8 & 8

  *Liquid - (assuming 2 throws) 32 to Nice shot! 83

  *Checkpoint Guards 6

  *Liquid Jeep - 26
  -//Phase 1 (Swerve 1)//- 5 
  -//Phase 2 (Tunnel Bumper)// - (2 transition) 4 
  -//Phase 3 (Swerve 2)// - 4
  -//Phase 4 (Columns)// - (2 transition) 5 
  -//Phase 5 (Side by Side)// - 4 [11 total for phase 4 and 5] 
====Extreme====
  *Defeating a boss does not refill HP.

  *Ammunition does not respawn.

  *Maximum of 2 rations. 

  *Guards hear noises extremely well.

  *Cell Guards - 5

  *Ocelot - 12 Socom, 3 grenades

  *Ninja - 36 hits to hide n' seek, 64 to complete (63 will also do)

  *Mantis - (for Console) 44 (30 to transition) 20 to phase skip (34 hits total if phase skip)

  *Wolf 1 - 7

  *Hind-D - 18 (7 for phase 1)

  *Wolf 2 - 10

  *Raven - 10

  *Rex - 9 & 9

  *Liquid - (assuming 2 throws) 32 to Nice shot! 83

  *Checkpoint Guards 7

  *Liquid Jeep - 31
  -//Phase 1 (Swerve 1)//- 6 
  -//Phase 2 (Tunnel Bumper)// - (2 transition) 5 
  -//Phase 3 (Swerve 2)// - 5
  -//Phase 4 (Columns)// - (2 transition) 6 
  -//Phase 5 (Side by Side)// - 5 [13 total for phase 4 and 5]

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[[metal_gear_solid:|Return to Metal Gear Solid]]