I see that some of these use an HJSplit. Do you need HJSplit to put them back together?

Yes. http://hjsplit.en.softonic.com/
:(
Another needless soft and an extra complication for beginners, as all archivers have build in split/rebuild.

Mechwarrior 2
 

Mechwarrior 2: 31st Century Combat
http://www.megaupload.com/?d=IZYOZAWW BIN format 715MB

Mechwarrior 2: v1.1 Patch
http://www.megaupload.com/?d=KXTXO78Y EXE 652KB

Mechwarrior 2: Ghost Bear's Legacy Expansion
http://www.megaupload.com/?d=20W3MQM1 BIN format 641MB

Please be sure to refer to the DOSBox wiki for the best information on installing the game under DOSBox http://www.dosbox.com/wiki/GAMES:MechWarrior_2

Uprising - Join or Die [CLONECD] [461 Mb]
 

Retail source.

CD image (461 Mb), 4shared
Uprising - Join or Die [CLONECD] [461 Mb]

I'd like to request for Lands of Lore 2: Guardians of Destiny, since according to The Fifth Horseman in this thread it is not sold nor protected :)

EDIT: Of course if it is going to the ISO Cellar, a full version, rather than a ripped version, is nicer :)

Lands of Lore II - Guardians of Destiny [CLONECD] [1,92 Gb]
 

Retail source with covers + untested patch.

CD images (1,92 Gb), 4shared
Lands of Lore II - Guardians of Destiny [CLONECD] [1,92 Gb]

Star Trek - Judgment Rites [BIN/CUE] [574 Mb]
 

CD image (574 Mb), 4shared
Star Trek - Judgment Rites [BIN/CUE] [574 Mb]

Ace Ventura is down again. Can someone reupload it?

This is a compilation with Titus as full game + 3 shareware games. You can find Titus manual on disc.

CD image (40 Mb), 4shared
Titus the Fox - To Marrakech and Back (3plus1) [CLONECD] [40 Mb]

Campaign (Action Sixteen) [CLONECD] [5 Mb]
 

Retail Action Sixteen rerelease from 1995. Full copy
protection sheet included as .pdf.

CD image (5 Mb), 4shared
Campaign (Action Sixteen) [CLONECD] [5 Mb]