You end up in a pokemon region that's been taken over by...

You end up in a pokemon region that's been taken over by an evil team, They've crafted a device that enables them to stop pokeballs from functioning and thus you are unable to catch pokemon the regular way, Your goal is to thwart the evil team and save the region from their clutches, Through your journey, You can befriend pokemon and have them follow you and listen to your commands after performing specific tasks. However only a limited selection of pokemon are available. You can only pick up to 6 pokemon from the roster provided
1)Marill line
2)Cubone line
3)Magikarp line
4)Tyrouge line
5)Doduo line
6)Mr. Mime
7)Zubat line
8)Vulpix line
9)Aipom line
10)Snubbull line
11)Corsola
12)Roselia line
13)Lunatone/Solrock
14)Corphish line
15)Meditite line
16)Swablu line
17)Slakoth line
18)Nidoran-F line
19)Seviper/Zangoose
20)Cranidos line
21)Stunky line
22)Hippopotas line
23)Phione
24)Shinx line
25)Pachirisu
26)Drifloon line
27)Baltoy line
28)Croagunk line
29)Lillipup line
30)Axew line
31)Munna line
32)Darumaka line
33)Dwebble line
34)Deerling line
35)Durant
36)Golett line
37)Snover line
38)Tynamo line
39)Inkay line
40)Hawlucha
41)Bergmite line
42)Ponyta line
43)Miltank
44)Shuppet line
45)Stunfisk
46)Bounsweet line
47)Mimikyu
48)Wimpod line
49)Toxel line
50)Impidimp line
51)Milcery line
52)Cufant line
53)Sizzlipede line
54)Maschiff line
55)Tinkatink line
56)Cetoddle line
57)Varoom line
58)Shroodle line
59)Espurr line
60)Natu line