dreman9999 wrote...
Only BG1 and most of ME1 is not optional.
Never played BG1, but ME1 is actually a really short game if you only do the minimum:
1. Get to the beacon on Eden Prime.
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2. Recruit either Wrex or Garrus so you can find Fist.
3. Rescue and recruit Tali so you can expose Saren.
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4. Recruit Liara on Therum.
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5. Get a garage pass on Noveria so you can get to the labs.
6. Restore power to the labs so you can enter.
7. Fight Benezia and decide what to do with the rachni queen.
8. Set off the neutron purge to kill the berserk rachni.
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9. Get to the Exo Geni facility on Feros and disable the geth ship.
10. Go back and fight the Thorian.
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11. Shut down the AA guns and find the salarians on Virmire.
12. Investigate and blow up Saren's labs.
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13. Steal the Normandy.
14. Get into the bunker on Ilos.
15. Talk to Vigil.
16. Get to the Conduit.
17. Fight Saren on the Citadel.
You can actually skip 75% of the stuff on the Citadel, about 50% of the stuff on Feros and Noveria, 25% on Eden Prime and Virmire, and 100% of the sidequests.