CTF Challenges by Category
All Skills
⭐
css × 176
⭐
html × 165
💪
c-programming × 154
💪
variables × 69
💪
web-development × 69
💻
algorithms × 65
💪
data-types × 63
⭐
arrays × 54
💪
syntax × 49
💪
html-elements × 39
💪
html-css × 36
💪
pointers × 30
⭐
php × 30
⭐
loops × 30
💪
control-flow × 26
⭐
array × 26
💪
basics × 24
💻
sorting × 24
💪
semantics × 22
💪
control-flow-structures × 21
💪
operators × 20
💪
styling × 20
💪
web-design × 19
💪
php-programming × 19
💪
css-properties × 18
💪
css-selectors × 17
💻
simulation × 16
💻
optimization × 16
⭐
strings × 14
💻
iteration × 14
💪
css-box-model × 13
💪
css-grid × 13
💪
functions × 13
💪
responsive-design × 12
💪
declaration × 12
💪
html-attributes × 11
💪
selectors × 11
💻
greedy × 11
⭐
web × 10
💪
control-structures × 10
💪
hyperlink × 10
💪
comments × 10
⭐
programming × 10
💪
images × 9
💪
variable-declaration × 9
💪
for-loop × 9
💪
structures × 9
💪
css-flexbox × 9
💪
attributes × 9
💻
math × 9
💻
sequence × 9
💪
output × 8
💪
constants × 8
💪
while-loop × 8
💪
layout × 8
💪
html-forms × 8
💪
switch-case × 8
💪
html5 × 8
💻
filtering × 8
💪
char × 7
💪
html-tables × 7
💪
keywords × 7
💪
text × 7
💪
decision-making × 7
💪
bootstrap-5 × 7
💻
dynamic-programming × 7
💪
hyperlinks × 6
💪
beginner × 6
💪
switch-statement × 6
💪
if-else × 6
💪
conditional-statements × 6
💪
python × 6
💪
initialization × 6
💪
conditionals × 6
💪
forms × 6
💪
accessibility × 6
💻
subarray × 6
💻
prefix-sum × 6
💪
error-handling × 5
💪
flexbox × 5
💪
html-tags × 5
💪
structures-in-c × 5
💪
text-color × 5
💪
c × 5
💪
image × 5
💪
continue-statement × 5
💪
break-statement × 5
💪
units × 5
💪
javascript × 5
💪
function × 5
💪
c-language × 5
⭐
grid × 5
⭐
lists × 5
💻
validation × 5
💻
hashing × 5
💻
counting × 5
💻
list-manipulation × 5
💪
css-rules × 4
💪
style × 4
💪
elements × 4
💪
id-selector × 4
💪
printf × 4
💪
php-syntax × 4
💪
media-queries × 4
💪
memory-management × 4
💪
css-frameworks × 4
💪
generic-programming × 4
💪
if-else-statement × 4
💪
structure × 4
💪
for-loops × 4
💪
bootstrap × 4
💪
css-preprocessors × 4
💪
if-statement × 4
💪
sass × 4
💪
tags × 4
💪
dereferencing × 4
💪
switch × 4
💻
list-processing × 4
💻
list × 4
💻
two-pointer × 4
💻
subsequence × 4
💻
frequency × 4
💻
array-manipulation × 4
💻
algorithm × 4
💪
pointers-in-c × 3
💪
web-styling × 3
💪
box-model × 3
💪
mixins × 3
💪
color × 3
💪
fundamentals × 3
💪
memory × 3
💪
break × 3
💪
semantic-elements × 3
💪
text-formatting × 3
💪
stdio.h × 3
💪
css-syntax × 3
💪
formatting × 3
💪
do-while × 3
💪
markup × 3
💪
headings × 3
💪
styles × 3
💪
boolean × 3
💪
c-standard-libraries × 3
💪
selector × 3
💪
text-align × 3
💪
main-function × 3
💪
display × 3
💪
form-handling × 3
💪
float × 3
💪
typography × 3
💪
null × 3
💪
properties × 3
💪
table × 3
💪
font-size × 3
💪
branching × 3
💪
html-and-css × 3
💪
front-end × 3
💪
pointer-arithmetic × 3
💻
logic × 3
💻
data-structures × 3
💻
divisibility × 3
💻
mathematics × 3
💻
alternating × 3
💻
temperature × 3
💻
string-manipulation × 3
💻
sliding-window × 3
💻
traversal × 3
💻
indices × 3
💻
arithmetic × 3
💻
combinatorics × 3
💻
comparison × 3
💪
if-statements × 2
💪
specificity × 2
💪
sizeof × 2
💪
break-keyword × 2
💪
inputs × 2
💪
div-element × 2
💪
web-structure × 2
💪
int × 2
💪
beginners × 2
💪
viewport × 2
💪
text-styling × 2
💪
pointer × 2
💪
html-table × 2
💪
while-loops × 2
💪
type-casting × 2
💪
assignment × 2
💪
background-color × 2
💪
navigation × 2
💪
external-css × 2
💪
multimedia × 2
💪
global-variables × 2
💪
syntax-semantics × 2
💪
easy × 2
💪
tables × 2
💪
class × 2
💪
if-condition × 2
💪
width × 2
💪
do-while-loops × 2
💪
spacing × 2
💪
c++ × 2
💪
standard-libraries × 2
💪
nested-structures × 2
💪
z-index × 2
💪
css-transforms × 2
💪
integer × 2
💪
php-functions × 2
💪
concatenation × 2
💪
loop × 2
💪
string.h × 2
💪
features × 2
💪
font × 2
💪
element-selection × 2
💪
c-pointers × 2
💪
form-validation × 2
💪
math.h × 2
💪
alternative-syntax × 2
💪
reusability × 2
💪
link-tag × 2
💪
grid-system × 2
💪
string × 2
💪
background-image × 2
💪
form-elements × 2
💪
null-pointer × 2
💪
responsive × 2
💪
css-transitions × 2
💪
stylesheets × 2
💪
looping × 2
💪
code-block × 2
💪
loop-control × 2
💪
input × 2
💪
sizeof-operator × 2
💪
pseudo-class × 2
💪
header × 2
💪
memory-address × 2
💪
do-while-loop × 2
💪
terminology × 2
💪
less × 2
💪
control-structure × 2
💪
css-filters × 2
💪
vendor-prefixes × 2
💪
access × 2
💪
code-evaluation × 2
💪
constant × 2
💪
inline-styles × 2
💪
http-methods × 2
💪
standard-library × 2
💪
looping-structures × 2
💪
link × 2
💪
css-padding × 2
💪
general-knowledge × 2
💻
subsets × 2
💻
unique × 2
💻
pair-sum × 2
💻
sum × 2
💻
order × 2
💻
balance × 2
💻
reordering × 2
💻
data-filtering × 2
💻
caching × 2
💻
number-theory × 2
💻
code-optimization × 2
💻
data-processing × 2
💻
merging × 2
💻
palindrome × 2
💻
stable-sort × 2
💻
hashmap × 2
💻
filter × 2
💻
stack × 2
💻
robot × 2
💻
encoding × 2
💻
subarrays × 2
💻
movement × 2
💻
alternation × 2
💻
parity × 2
💻
two-sum × 2
💻
scheduling × 2
💻
set × 2
💻
sequential × 2
💻
forecasting × 2
💻
compression × 2
💻
greedy-algorithm × 2
💻
even-odd × 2