Abandonware DOS title

Games involving some sort of trading practice

If buying and selling goods is your thing, give these games a try. Every one of them involve trading in some form: buying and selling goods and moving them by sea (Ports of Call), stock exchange (Acquire, Black Monday), smuggling items in deep space (Elite, Frontier).
patrician1-04

Patrician

DOS1992protected4.2/5 ASCARON Entertainment
patrician2-01

Patrician 2: Quest for Power

Windows XP/98/952000protected4.1/5 ASCARON Entertainment
piratesg_006

Pirates! Gold

DOSWindows 3.xMac OS1993protectedremakedemo4/5 MicroProse Software
Pirates! Gold is an open world game designed by Paul Murphy, developed and released by MicroProse Software in 1993 for DOS, Windows 3.x, Mac and also Sega Genesis and Amiga CD32. Pirates! Gold is a remake of the game Pirates, created by Sid Meier in 1987. Pirates! Gold gameplay is a unique mix of action, strategy, pirate life simulation, ...
port-royale-1-01

Port Royale

Windows XP/98/952002protected4.2/5 ASCARON Entertainment
portsofcall-1

Ports of Call

DOS19894.1/5 International Software Development
protostar-07

Protostar: War on the Frontier

DOS19934.1/5 Tsunami Media
rags-to-riches-02

Rags to Riches

DOS19934/5 Interplay Productions
railroadtycoon1-6

Railroad Tycoon

DOSMac OS1990freeware4.1/5 MicroProse Software
railroad-tycoon-deluxe-07

Railroad Tycoon Deluxe

DOS19934.1/5 MicroProse Software
seven-cities-of-gold-2

Seven Cities of Gold (Commemorative Edition)

DOS1993protected4/5 Ozark Softscape
pirates-2

Sid Meier's Pirates!

DOS1987protected4.1/5 MicroProse Software
spacerogue-2

Space Rogue

DOS19894/5 Origin Systems
Space Rogue is a science fiction RPG developed by Richard Garriott's Origin and desined by Paul Neurath. Space Rogue combines a 3D space simulation with a top down view RPG gameplay. As a space pilot you can hunt bounties, buy and sell goods, land on starbases or outposts and talk to NPCs, do quests, etc.
taipan-for-windows-01

Taipan for Windows

Windows XP/98/952002freeware3.5/5
traders-02

Traders

DOS19924/5 Linel
unchartedwaters-1

Uncharted Waters

DOS19904.1/5 KOEI
uncharted-waters-2-05

Uncharted Waters 2: New Horizons

DOS19954.1/5 KOEI
Uncharted Waters 2: New Horizons is an abandoned simulation game, sequel of Uncharted Waters, developed and released by KOEI in 1995. The Uncharted Waters series is set in the Age of Discovery and gives the player the freedom to set sail with their ship and go wherever you want exploring, fighting, trading, privateering, etc.
privateer-5

Wing Commander: Privateer

Windows XP/98/95DOSMac OS1993protected4.1/5 Origin Systems
xiphos-02

Xiphos

DOS19903.8/5
yuppisrevenge-4

Yuppi's Revenge

DOS19883.3/5 Ariolasoft
zeppelin-giants-01

Zeppelin: Giants of the Sky

DOS19953.9/5 Ikarion Software