A little disclaimer: The strats that I've done for every tour that is NOT Gear Grinder are not noted in this list, as I did most of the strats that are possible and that would make this list way too long.

1MAN MISSIONS - 24/???

Isolation - NORMAL
Underground - NORMAL
Benign Infiltration - NO REFUNDS - NORMAL
Doe's Drill A+ - NO REFUNDS - NO FAILS - NORMAL
Crash Course A+ - NO REFUNDS - NO FAILS - NORMAL
Mann-uevers - NORMAL
Village Vanguard - NO REFUNDS - INT
Big Apple Barricade - NO REFUNDS - INT
Doe's Doom - INT
Day of Wreckening - INT
Cave-In - INT
Quarry - INT
Mean Machines - INT
Mann Hunt - INT
Disk Deletion - ADV
Data Demolition - ADV
Ctrl+Alt+Destruction - ADV
CPU Slaughter - ADV
Machine Massacre - ADV
Bone Shaker - ADV
Disintegration - ADV
Hamlet Hostility - ADV
Reddish Rebellion - INT
Twirled Trap - INT


2MAN MISSIONS:

BOOTCAMP - 7/7
Doe's Drill with @doriz (engie+med)
Crash Course with @doriz (scout+med)
Mann-Uevers with @doriz (spy+engie)
Benign Infiltration with @doriz (sniper+scout)
Village Vanguard with @doriz (sniper+scout)
Big Apple Barricade with @doriz (scout+med)
W666 with @deluxeuser/doriz x2 (as soldier/pyro)

OIL SPILL - 6/6
Doe's Doom A+ - NO REFUNDS - NO FAILS
Day of Wreckening A+ - NO REFUNDS - NO FAILS
Cave-In A+ - NO REFUNDS - NO FAILS
Quarry A+ - NO REFUNDS - NO FAILS
Mean Machines A+ - NO REFUNDS - NO FAILS
Mann Hunt A+ - NO REFUNDS - NO FAILS


STEEL TRAP - 6/6
Disk Deletion A+ NO REFUNDS - NO FAILS
Data Demolition A+ NO REFUNDS - NO FAILS
Ctrl+Alt+Destruction A+ NO REFUNDS - NO FAILS
CPU Slaughter A+ NO REFUNDS - NO FAILS
Machine Massacre A+ NO REFUNDS - NO FAILS
Mech Mutilation A+ NO REFUNDS - NO FAILS


MECHA ENGINE - 3/3
Broken Parts A+ NO REFUNDS - NO FAILS
Bone Shaker A+ NO REFUNDS - NO FAILS
Disintegration A+ NO REFUNDS - NO FAILS

TWO CITIES - 4/4
Empire Escalation A+ NO REFUNDS - NO FAILS
Metro Malice A+ NO REFUNDS - NO FAILS
Hamlet Hostility A+ NO REFUNDS - NO FAILS
Bavarian Botbash A+ NO REFUNDS - NO FAILS


GEAR GRINDER - 3/3
Desperation A+ NO FAILS
Cataclysm A+ NO FAILS
Mannslaughter A+ NO FAILS


GEAR GRINDER NO REFUNDS - 3/3

DESPERATION:
- Soldier + Sniper (as both)
- Engie + Sniper (as both)
- Pyro + Sniper (as pyro)
- Scout + Sniper (as both)
- Soldier + Medic (as both) NO FAILS
- Pyro + Medic (as both)
- Soldier + Scout (as both)
- Soldier + Engie (as both)
- Soldier + Pyro (as both)
- Soldier + Spy (as both)
- Heavy + Medic (as both)
- Demoknight + Medic (as both)
- Soldier + Heavy (as soldier)
- Soldier + Soldier (as soldier) (duh?)
- Scout + Medic (as scout)
- Demo + Medic (as demo)
- Demoknight + Sniper (as demoknight)
- Heavy + Sniper (as heavy)
- Scout + Demo (as scout)
- Scout + Heavy (as both)
- Demo + Sniper (as demo)

CATACLYSM
- Soldier + Sniper (as both)
- Engie + Sniper (as both)
- Pyro + Sniper (as both)
- Scout + Sniper (as scout)
- Soldier + Medic (as both)
- Pyro + Medic (as both)
- Soldier + Scout (as both)
- Pyro + Scout (as pyro)
- Soldier + Engie (as soldier)
- Soldier + Pyro (as both)
- Pyro + Spy (as pyro)
- Demoknight + Medic (as demoknight)
- Scout + Engie (as scout)
- Pyro + Heavy (as pyro)
- Pyro + Engie (as pyro)
- Demoknight + Sniper (as demoknight)
- Demo + Pyro (as pyro)
- Demo + Medic (as demo)
- Scout + Medic (as scout)
- Demo + Engie (as demo)
- Pyro + Pyro (as Phlog Pyro)
- Scout + Demo (as scout)
- Soldier + Heavy (as soldier)
- Demoknight + Soldier (as demoknight)
- Soldier + Soldier (as soldier) (duh?)

MANNSLAUGHTER
- Soldier + Sniper (as both)
- Engie + Sniper (as both)
- Pyro + Sniper (as pyro)
- Scout + Sniper (as scout)
- Soldier + Medic (as both)
- Pyro + Medic (as both) NO FAILS
- Soldier + Scout (as both)
- Soldier + Engie (as soldier)
- Demoknight + Medic (as both)
- Soldier + Heavy (as soldier)
- Demoknight + Sniper (as demoknight)
- Soldier + Pyro (as pyro)
- Demo + Medic (as demo)
- Scout + Heavy (as scout)
- Scout + Pyro (as pyro)
- Scout + Med (as scout)

CUSTOM MISSIONS

TITANIUM TANK: 6/6
CANTEEN CRASHER: 20/20 INT - 42/42 ADV - 3/5 NIGHTMARE
MADNESS VS MACHINES: 27/27 INT - 55/55 ADV - 14/14 EXP - 2/2 NIGHTMARE
MADNESS VS MACHINES: 12/14 NO REFUNDS EXPERT
BINARY BLACKOUT: 7/7 INT - 13/13 ADV (ALL NO REFUNDS)
REWIRED RAMPAGE: 5/5 INT 2/15 ADV 0/5 EXP
ANNIVERSARY ANNHILATION: 6/6 INT - 11/11 ADV - 6/8 EXP
HEXADECIMAL HORRORS: 13/13 INT - 22/27 ADV - 6/8 EXP
HOLOGRAPHIC HARVEST: 9/9 INT - 11/15 ADV - 5/9 EXP
VOLTAIC VIOLENCE: 6/6 INT - 9/9 ADV - 2/6 EXP
GALVANIZED GAUNTLET: 4/4 INT - 26/26 ADV - 8/9 EXP
MALWARE MASHUP: 12/15 "ADV"
PLATINUM PALLIATIVE: 13/15 "ADV"
SUNSET SHOWDOWN: 11/11 EXP
FIRMWARE FRENZY: 3/4 ADV - 2/4 EXP


On top of those missions, me and doriz tried to do one more thing, F credits for all the tours:

OIL SPILL: 6/6 - NO REFUNDS
STEEL TRAP: 6/6 - NO REFUNDS
MECHA ENGINE: 3/3 - NO REFUNDS
TWO CITIES: 4/4 - NO REFUNDS
GEAR GRINDER: 3/3