There are six achievements in this game, only one occurs during gameplay and is unmissable. The other five require active participation. Of those five, three require at a couple hours to achieve.

The only unmissable game achievement:
It Happens
No spoiler.

Collecting achievements:
Collector
Find 4 cigarette packs. (Can be sold to the collector at #2 Halfcentered St.)
Locations: See separate chapter.
Bottle Hunter
Find 5 bottles. (Can be redeemed at XXXXX)
Locations: See separate chapter.

Buying achievements: (These achievements require time and committment to achieve.)
Gourmet:
Buy all items from the food store
Paramedic:
Buy all items from the pharmacy store
One-size-fits-all:
Buy all items from the stationary stand.

There are XX packs of cigarettes. Cigarette packs can be sold to the collector at #2 Halfcentered St.

Cigarette pack locations below:

There are XX bottles. Bottle can be redeemed at XX for $x.

Bottle locations below:

There are 21 lockers in total. Only 7 of which I opened. If more can be opened please let me know and I will include them. (No spoliers concerning contents of lockers.)

Lockers listed in no particular order:
(Location found, Locker number, combination)

1) Underneath stairs in 25 Lightdark St.- Locker number 23 - Combination 9473
2) Underneath stairs in 25 Lightdark St - Locker number 69 - Combination 1308
3 Train station bathroom - Locker number 31 - Combination 4932
4) In garage outside station - Locker number 12 - Combination 46xx (4646)
5) Locker number 45 - Combination 4xx8 (4698)
6) Sign on fence by stadium - Locker number 90 - Combination 793x (7931)
7) Faded writing in #80 Milkguzzler St. - Locker number 09 - Combination 1602.

The Construction Site and Hospital are both labeled on the map. Click where the shoes icon is to gain entrance.

Construction site:


Hospital:

The location of water sources are important to know (and the fastest way there). NO SPOILERS.

1) Fountain in front of train station
2) City Beach
3) Open fire hydrant (in front of hospital??)
4) Fountain in park ??
5) Hose in front of house

Little boy with wallet trick

Bird house

Standing ash/trash receptacle outside train station

Blue car in front of #70

Schulzmann's House #70 makes recipes for de-invisibility. explosives, time travel, and tobacco blend

City Beach - minigame with a metal dectector, among other things

Pot factory - minigame

Casino and House across the street - roulette in casino, "shell" game across the street

Soldier's house - shooting gallery in side room

Stadium - play soccer/football

Honorary Farmer's field - grow pickles

Theatre - orchestra - musical minigame
Correct sequence: piano, tuba, piano, tuba, saxaphone, piano, violin, 3x guitar, shotgun, trumpet, 3x tuba (see guide by kiskil-lilla for exact details)

Fountain in park

Other part of park

Man with chicken

Shackles

Stuck in a hole

Accountant

Man fishing

Hotel -- phone call????

Submarine - mini-game

Bush man - make stew


Hiding business man - well ... best not mentioned in polite company

Welcome to the City of Tundel. This is a compilation of who lives where, what can be done there, and what they want. This is done by street.





Michurina St.
42 - literary woman (heavy smoker and cat lover) : trade pipe (cigarette holder) for ashtray
48 - oriental man : wants hair (need glue and hair?)
40 - photography's studio : take picture (quasi mini-game) need camera and film
66 - Zircus : need weight and banana

Lightdark St.
55 - man with mousetrap : needs gear, spring
37 - entomologist (bug guy) : wants ancient bug crap
51 (Honoray Farmer's house) - 51a - put the man to sleep : needs bedtime stories
51b - carpenter
25 - 1st floor hallway - thief : wants explosives
2nd floor - Veternian : wants mummy

Maverick St
64 - boiler room (locker #9 clue found here)

Milkguzzler St.
84 - Zulu warrior : wants chicken bone
80 - locker #9 combination found here

No Lightbulb St
23 - 1st floor - astronomer/wizard - assemble telescope mini-game (HO) : wants Book of Stars
2nd floor - in a hurry model? - minigame (HO)
7 - mayor's assistant
18 - 1st floor - body builder : needs steroids
2nd floor - guru : wants tobacco blend

Oak St.
70 - 1st floor - The infamous Schulzman (makes recipes for tobacco blend, explosives, de-invisibility, and time travel)
2nd floor - Soldier - shooting gallery minigame : need password for entry, needs medication for mania

Halfcentered St
59 - 1st floor - Nearly invisible man - minigame (puzzle) : needs de-invisibilty formula
2nd floor - Door needs to be exploded
65 - astronaut : needs lens, drill, bit and screw
71 - 1st floor - sleeping man : steal teeth
2nd floor - need to cut vines for entry - fastidious woman - rearrange furniture (minigame)
2 - Cigarette pack collector

Left Lane
72 - 1st floor - mother with crying baby : needs milk (of course)
2nd floor - gourmand/glutton - minigame (HO) : wants cake (cheapest payer in game)

Ashtray - trade to literary lady 42 Michurina St for pipe (cigarette holder)

Banana - wanted by Zircus clown 66 Michurina St.

Beets - bought from food store : needed for bush man stew (see extra places for location)

Bit (drill bit) - Found in blue car (outside 70 Oak St) : needed by astronaut #65 Halfcentered St.

Book of Stars - Library

• wanted by astronomer - 23 No Lightbulb St

Blue paint - Found in Garage

Blue folder - needed by hiding accountant (see extra places for location)

Cake - wanted by gourmand/glutton 72 Left Ln

Chicken bone - Outside train station in trash receptacle : wanted by Zulu warrior 84 Milkguzzler St

Coal - Boiler room 64 Maverick St : needed in some Schulzman formula/recipe

Crowbar - needed to gain entry in astronomer/wizard apartment 23 No Lightbulb St.

Daisies - Zulu warrior - 84 Milkguzzler St : bush man for stew (see extra places for location)

De-invisibilty Potion - Made by Schulzman (70 Oak St) : wanted neighbor 59 Half Centered St

Drill - bought from Garage : wanted by astronaut #65 Halfcentered St.

Enema - wanted by hiding business man (see extra places for location)

Explosives - made by Schulzman (70 Oak St) : wanted by thief 25 Lightdark St.

Film - needed for photgrapher's model 40 Michurina St

Fish - Bought in food store : needed for fisherman (see extra places for location)

Gear - #666 : wanted by mousetrap guy #55 Lightdark St

Glue - needed by oriental man 48 Michurina St

Lens - astronomer/wizard 23 No Lightbulb St. : wanted by astronaut 65 Halfcentered St

Milk : wanted by mother 72 Left Ln

Mistletoe - found in park with boy fountain : needed for bush stew or Schulzman's recipe

Password - found in locker XX : needed to gain entry in soldier's apartment 70 Oak St (2nd floor)

Pickles - bought from food store : wanted by Honorary Farmer to grow pickle plant (see extra places for location)

Pipe (cigarette holder) - literary lady 42 Michurnia St. : wanted by Chieftain #86

Red paint - found in Garage : wanted by occulist #666 (instead of blood)

Rockets - needed for cart at Bugger Station

Rhinestone - found in Mayor's Mine : needed for Schulzman's recipe

Scissors - Barbershop

Screw - found in blue car (outside 70 Oak St) : needed by astronaut #65 Halfcentered St.

Shaving cream - Barbershop : needed for beer commercial (Film Studio)

Soccer ball - wanted by players at stadium (used in minigame)

Shovels - construction site workers

Spring - Zulu warrior 84 Milkguzzler St : wanted by mousetrap guy 55 Lightdark St.

Steroids - bought in pharmacy : needed for bodybuilder - 18 No Lightbulb St (1st floor)

Time Travel Formula - Made by Schulzman (70 Oak St) :

Tobacco Blend - Made by Schulzmann (70 Oak St) : wanted by guru 18 No Lightbulb St (2nd floor) (Amazed that blend does not kill him since it is poisonous)

Weight - bodybuilder 18 No Lightbulb St. (1st floor) : wanted by Zircus clown 66 Michurina St