塔防游戏开启墨境之门的条件要求：

1. TD 1 : Accomplished 2 Flawless waves (no monster in your base)

2. TD 2 : Kill 300 monster with traps

3. TD 3 : Build at least 20 traps

4. TD 4 : Build all 6 salvage recycler?

5. TD 5 : Build rocket? Upgrade fully xxx traps?

6. TD 6 : Build many trap in top map?

隐藏点

第一章：

Drainage Tunnels (use elevator before prison)

1. Youve found Da Vincis lost blueprints of the ornnithopter

2. Youve found Wilhelm Tells crossbow (in a box)

Holding Facility

3. Youve found the hidden prison section (give money to prisoner)

4. Youve found the Mask of the Cannibal (you might not be able to find him at later chapter if you leave him in prison, not tested yet)

5. Youve found Dr. Jekylls tincture (release HULK)

Thunderhead Mountain

6. Youve found the Mushroom Expert Certificate (in a body)

7. Youve found the woodcarvers treasure (its in a pole before scarecrow)

8. Youve found the scarecrows treasure (well... a scarecrow)

9. Youve found Don Qijotes lance (stuck in a windmill)

10. Youve found a goldfish (weird stone by the bridge)

11. Youve called forth the giants with the giant gong (besides a portal, be brave before use the gong)

12. Youve helped Woody avoid people accusing him of being a ghoul or Youve revealed that Woody is a ghoul (he might be alive later if you help him, havent tested yet)

13. Youve found the Dungeonkeepers armour (in an altar beside ice wall, a bit hidden though)

14. Youve looted the body of the dead young hunter (after opening ice wall then locate his body, maybe need to open box for completion?)

15. Youve saved the bomb expert (agree to katarina suggestion)

Cold Cavern

16. Youve found the Afterlife ring (in the very first location, search the place throughly. It’s a skeleton)

17. Youve evicted the domovoy from the minecart (in a hanging minecart)

18. Youve looted the body of the grey wizard (in a broken bridge)

19. Youve found a Rare Ore (besides small skeleton near NPC)

Giantwoods

20. Youve found all three Moonstones (2 in bodies and 1 after finishing ”gate of perun” quest)

21. Youve found the runestone from the old well (help free merchant and find some clue, it’s besides stew pot)

22. Youve found the Dungeonkeepers amulet (while in “free merchant” quest, search the altar in this area)

23. Youve found the Spiritwalkers relic (lower right map, search beside skinned bear)

24. Youve found the Masterfully Botched Armour (dunno, just kill enemies in small path above frozen stream portal and those 2 stonehead will talk)

25. Youve proven the existence of the yeti (play the drum a few times, it’s where you give the spiritwalker his relic or keep it for trophy)

26. You defeated the Black Knight (in a bridge after strange domovoy)

27. Youve won The Rock from the stone heads (successfully answer stonehead question, hint its all about stone)

Tower Defense

28. Youve found the secret area in the Subterranean Incursion (TD 1)

29. Youve found the secret area in the Invasion of the Rat-Things (TD 2)